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A projectile is thrown at an angle beta with vertical

A projectile is thrown at an angle $\beta$ with vertical .It reaches a maximum height H . The time taken to reach the highest point of its path is

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A Avinash Dongre

@Harshit As we have learned Time of Flight - Time for which projectile remains in the air above the horizontal plane. - wherein SO Time taken to reach highest point = Time taken to reach highest point =

Medical

Equation of trajectory of a projectile is given by

Equation of trajectory of a projectile is given by $y = -x^2 +10 x ,$ where x and y are in metres and x is along horizontal and y is vertically upward and particles is projected from origin .Then which of the following option is incorrect

A.

Initial velocity of particle is $\sqrt{505}m/s$

B.

horizontal range is 10 m

C.

Maximum range is 10 m

D.

Angle of projection with horizontal is $\tan ^{-1} (-1 )$

505m/s

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S safeer

@Harshit Equation of path of a projectile - it is equation of parabola Acceleratio due to gravity initial velocity Angle of projection - wherein Path followed by a projectile is parabolic is nature. Compare this with Maximum height H =

Medical

Is retrogressive metamorphosis is shown only by Urochordates or any other class perform

Is retrogressive metamorphosis is shown only by Urochordates... or any other class performs.....

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P Priyanka Kumari

@Vasudevan.G Retrogressive Metamorphosis is shown by Urochordates and Herdmania.

Medical

A person A is moving along east and B is moving along north Then relative velocity of A with respect to B is

A person A is moving along east and B is moving along north. Then relative velocity of A with respect to B is $(V_{A}=10\, m/s\, ,\; V_{B}=10\sqrt{3}\, m/s)$

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S safeer

= - =

Medical

A ball is thrown vertically upward with a velocity

A ball is thrown vertically upward with a velocity of 20 ms-1 from a top of a multistory building.The hight of the point from where the ball is thrown is 25 m from the ground. The hight to which the ball rises from the ground and time taken before the ball hits the ground are (g:=10 ms-2)

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S safeer

Maxmium height from the ground :20 + 25 = 45m Time to reach ground S=-25m, u=20 ms-1, a =-10 m/s2

Medical

Help me understand! Pinus seed cannot germinate and establish without fungal associaton. This is because:

Pinus seed cannot germinate and establish without fungal associaton. This is because:

Option 1)
its embryo is immature
Option 2)
it has obligate association with mycorrhizae
Option 3)
it has a very hard seed coat
Option 4)
its seed contain inhibitors that prevents germinatiom.

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S shivalik

Mycorrhiza - Mycorrhiza is a symbiotic association of a fungus with a root system. The fungi is extremely helpful for water and mineral absorption for the plants. Pinus seed have obligate association with mycorrhizae. They germinate only in the presence of fungus. - Mycorrhiza is a symbiotic association of a fungus with a root system. The fungi is extremely helpful for water and mineral...

Medical

Solve this problem In which case change in entropy is negative?

In which case change in entropy is negative?

Option 1)
Evapouration of water
Option 2)
Expansion of a gas at constant temperature
Option 3)
Sublimation of solid to gas
Option 4)
$2H_{(g)} \rightarrow H_2_{(g)}$

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P Plabita

Gibb's free energy (? G) - - wherein Gibb's free energy enthalpy of reaction entropy temperature degree of randomness decreases entropy decreases and is negative.Option 1)Evapouration of waterOption 2)Expansion of a gas at constant temperatureOption 3)Sublimation of solid to gasOption 4)

Medical

How to solve this problem- Drug called 'Heroin' is synthesized by:

Drug called 'Heroin' is synthesized by:

Option 1)
methylation of morphine
Option 2)
acetylation of morphine
Option 3)
glycosylation of morphine
Option 4)
nitration of morphine

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S shivalik

Heroin - Commonly called smack is chemically diacetylmorphine which is a white, odourless, bitter crystalline compound. - wherein This is obtained by acetylation of morphine, which is extracted from the latex of poppy plant Papaver somniferum Generally taken by snorting and injection, heroin is a depressant and slows down body functions. Herion is a chemically diacetylmorphine...

Medical

Confused! kindly explain, Which of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?

Which of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?

Option 1)
BOD incubator
Option 2)
sludge digestor
Option 3)
Industrial oven
Option 4)
Bioreactor

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P Plabita

Bioreactors - Bioreactors are stirrer cylindrical tanks. The stirrer provides movement, even mixing and O2 availability throughout the bioreaction. - wherein Bioreactors can be 100 to 1000 lt for large production. In order to produce large quantities of the enzymes , bioreactors are used wherein large volumers of culture can be processed or provides optimal conditions for achieving...

Medical

Help me answer: Which of the following muscular disorder is inherited?

Which of the following muscular disorder is inherited?

Option 1)
Tetany
Option 2)
Muscular dystrophy
Option 3)
Myasthenia gravis
Option 4)
Botulism

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V Vakul

Myasthenia gravis - Myasthenia gravis is a chronic autoimmune neuromuscular disease that causes weakness in the skeletal muscles, which are responsible for breathing and moving parts of the body, including the arms and legs. , myasthenia gravis is not inherited and occurs in people with no history of the disorder in their family. - Tetany is the condition of involuntary muscular...

Medical

Tell me? Match the following:(a) Pure Nitrogen (i) Chlorine(b) Haber process (ii) Sulphuric Acid(c) Contact process (iii) Ammonia(d) Deacon's process (iv) Sodium azide or Barium AzideWhich of the following is thecorrectoption?(a) (b) (c) (d)

Match the following:

(a) Pure Nitrogen (i) Chlorine

(b) Haber process (ii) Sulphuric Acid

(c) Contact process (iii) Ammonia

(d) Deacon's process (iv) Sodium azide or Barium Azide

Which of the following is the correct option?

(a) (b) (c) (d)

Option 1)
(i) (ii) (iii) (iv)
Option 2)
(ii) (iv) (i) (iii)
Option 3)
(iii) (iv) (ii) (i)
Option 4)
(iv) (iii) (ii) (i)

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V Vakul

Option 4 a) Pure Nitrogen Sodium azide or Barium azide b) Haber process Making ammonia c) Contact process producing sulphuric acid d) Deacon's process Pruduces gas Option 1)(i) (ii) (iii) (iv)Option 2)(ii) (iv) (i) (iii)Option 3)(iii) (iv) (ii) (i)Option 4)(iv) (iii) (ii) (i)

Medical

Can someone help me with this, The mixture that forms maximum boiling azeotrope is:

The mixture that forms maximum boiling azeotrope is:

Option 1)
Water + Nitric Acid
Option 2)
Ethanol + Water
Option 3)
Acetone + Carbon disulphide
Option 4)
Heptane + Octane

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P Plabita

The Solutions that show large negative deviation from Raoult's law from maximum boiling azeotrope at a specific combination. Nitric acid and water is the example of this class of azeotrope. 68% Nitric acid + 32% by mass with a boiling point of 393.5 K. Option 1)Water + Nitric AcidOption 2)Ethanol + WaterOption 3)Acetone + Carbon disulphideOption 4)Heptane + Octane

Medical

Tell me? Among the following, the one that is not a greenhouse gas is:

Among the following, the one that is not a greenhouse gas is:

Option 1)
nitrous oxide
Option 2)
methane
Option 3)
ozone
Option 4)
sulphur dioxide

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S solutionqc

N2O (Nitrous oxide) CH4 (Methane) O3 (Ozone) All the above are greenhouse gases but SO2 is not greenhouse gas. Option 1) nitrous oxide Option 2) methane Option 3) ozone Option 4) sulphur dioxide

Medical

Solve this problem Thecorrectstructure of tribromooctaoxide is:

The correct structure of tribromooctaoxide is:

Option 1)
Option 2)
Option 3)
Option 4)

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K Kallem Alekya

option 1 ,because it is not an ion

Medical

Help me understand! - Organic Chemistry - some Basic principles and techniques - NEET

The number of sigma $(\sigma)$ and pi $(\pi)$ bonds in pent-2-en-4-yne is:

Option 1)
10 $\sigma$ bonds and 3 $\pi$ bonds
Option 2)
8 $\sigma$ bonds and 5 $\pi$ bonds
Option 3)
11 $\sigma$ bonds and 2 $\pi$ bonds
Option 4)
13 $\sigma$ bonds and no $\pi$ bonds

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V Vakul

Option 1 Structure of pent-2-en-4-yne Here there are 10 bonds and bonds And 3 bonds and Option 1)10 bonds and 3 bondsOption 2)8 bonds and 5 bondsOption 3)11 bonds and 2 bondsOption 4)13 bonds and no bonds

Medical

Solve it, An alkane "A" on reaction with O3and Zn-H2O gives propane and ethanal in equimolar ratio. Addition of HCl to Alkane "A" gives "B" as the major product. The structure of the product "B" is

An alkane "A" on reaction with O₃ and Zn-H₂O gives propane and ethanal in equimolar ratio. Addition of HCl to Alkane "A" gives "B" as the major product. The structure of the product "B" is

Option 1)
Option 2)
Option 3)
Option 4)

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S solutionqc

This oxidation of alkene occurs at the double bond. Thus, propane & ethanol must combine to give the alkene (Propanone) Now this reacts with HCl to form B as follows: ...

Medical

Confused! kindly explain, Which of the following acts as a circuit protection device ?

Which of the following acts as a circuit protection device ?

Option 1)
conductor
Option 2)
inductor
Option 3)
switch
Option 4)
fuse

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P Plabita

fuse Option 1)conductor Option 2)inductor Option 3)switch Option 4)fuse

Medical

I need help with In which of the following devices , the eddy current effect is not used ?

In which of the following devices , the eddy current effect is not used ?

Option 1)
induction furnace
Option 2)
magnetic braking in train
Option 3)
electromagnet
Option 4)
electric heater

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P Plabita

electric heater Option 1)induction furnace Option 2)magnetic braking in train Option 3)electromagnet Option 4)electric heater

Medical

Help me solve this Match the Xenon compound in Column-Iwith itsstructure in Column-IIand assign the correct code:Column-I Column-II(a) XeF4 (i) pyramidal(b) XeF6 (ii) Square planar(c) XeOF4 (iii) distorted octahedral(d) XeO3

Match the Xenon compound in Column-I with its structure in Column-II and assign the correct code:

Column-I Column-II

(a) XeF₄ (i) pyramidal

(b) XeF₆ (ii) Square planar

(c) XeOF₄ (iii) distorted octahedral

(d) XeO₃ (iv) square pyramidal

Code:

(a) (b) (c) (d)

Option 1)
(i) (ii) (iii) (iv)
Option 2)
(ii) (iii) (iv) (i)
Option 3)
(ii) (iii) (i) (iv)
Option 4)
(iii) (iv) (i) (ii)

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S solutionqc

XeF4 it is square planar. XeF6 it is distorted octahedral because of the lone pair present. XeOF4 Its is square pyramidal & its hybridization is sp3d2 XeO3 Its hybridization is sp3 & its shape is pyramidal. (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i) Option 2 is correct.Option 1)(i) (ii) (iii) (iv)Option 2)(ii) (iii) (iv) (i)Option 3)(ii) (iii) (i) ...

Medical

Can someone help me with this, Pick the wrong answer in the context with rainbow

Pick the wrong answer in the context with rainbow

Option 1)
When the light rays undergo two internal reflection in a water drop , a secondary rainbow is formed
Option 2)
The order of colors is reversed in the secondary rainbow
Option 3)
An observer can see a rainbow when his front is towards the sun
Option 4)
Rainbow is a combined effect of dispersion , refreaction and reflection of sunlight

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S solutionqc

Rainbow can seen when back is towards the Sun.Option 1)When the light rays undergo two internal reflection in a water drop , a secondary rainbow is formed Option 2)The order of colors is reversed in the secondary rainbow Option 3)An observer can see a rainbow when his front is towards the sun Option 4)Rainbow is a combined effect of dispersion , refreaction and reflection of sunlight

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