2T
T
3/2T
3T
What should be the angle between the axes of the polarizer, so that the intensity of the beam coming out of analyzer is 3/8 I
45 degree
30 degree
60 degree
cos1(3/8) rad
1) Nurture
2) Nature
3) Return
4) Renter
A potential difference of 1V is applied across the other diagonal. What will be the current in the resistor along the diagonal?
0.5 A
1 A
5 A
Zero
The acceleration is constant both in magnitude and direction.
The acceleration is constant in direction but not in magnitude
The acceleration is constant in magnitude but not in direction
The acceleration is neither constant in magnitude nor in direction.
In any type of motion, Force either changes the direction of particle or magnitude or both. In a uniform circular motion, the velocity of the particle is constant and the magnitude is constant as well and it equals to . So the direction of the particle changes because of the force, if there was no force then the particle might have followed a straight path rather than a circular path.
So option (3) is correct.
If the speed of the stream is v and the speed of the boat with respect to the stream is u, then which of the following gives the correct relationship between u and v
1) Goods
2) School
3) Bus
4) Traffic
Question
Asked in: BITSAT2018
From a sphere of mass M and radius R, a smaller sphere of radius is carved out such that the cavity made in the original sphere is between its centre and the periphery. (See figure). For the configuration in the figure where the distance between the centre of the original sphere and the removed sphere is 3R, the gravitational force between the two spheres is :
Question
Asked in: BITSAT2018
From a sphere of mass M and radius R, a smaller sphere of radius is carved out such that the cavity made in the original sphere is between its centre and the periphery. (See figure). For the configuration in the figure where the distance between the centre of the original sphere and the removed sphere is 3R, the gravitational force between the two spheres is :
Let ABC be a triangle whose circumcentre is at P. If the position vectors of A, B, C
and P are
respectively, then the position vector of the orthocentre of this triangle, is :
https://www.youtube.com/watch?v=y30g2lfwv_c
If (10)^{9} + 2(11)^{1} (10)^{8} + 3(11)^{2} (10)^{7} +...... +10 (11)^{9} = k (10)^{9}, then k is equal to :
100
110
Use
Sum of n terms of a GP 
 wherein
first term
common ratio
number of terms
and
(10)^{9} + 2(11)^{1} (10)^{8} + 3(11)^{2} (10)^{7} +...... +10 (11)^{9} = k(10)^{9}
Take common 10^{9}
Subtract
Option 1)
100
Option 2)
110
Option 3)
Option 4)
In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 fans of 80 W and 1 heater of 1 kW. The voltage of the electric mains is 220 V. The minimum capacity of the main fuse of the building will be :
8 A
10 A
12 A
14 A
As we have learned
In parallel Grouping 

Resistance of each bulb of 40 W
Resistance of 15 bulbs = 1210/15 = 242/3
Resistance of 100 W bulb =
Resistance of 5 such bulbs = 485/5
Resistance of fan = = 605
Resistance of 5 such fan = 605 /5
= 121
Resistance of heater =
Equivalent resistance
R = 484 / 25
Option 1)
8 A
Option 2)
10 A
Option 3)
12 A
Option 4)
14 A
In the circuit shown, current (in A) through the 50 V and 30 V batteries are, respectively :
2.5 and 3
3.5 and 2
4.5 and 1
3 and 2.5
As we discussed in
Cell 
The device which converts Chemical energy into electrical energy is known as electric cell.
Option 1)
2.5 and 3
Option 2)
3.5 and 2
Option 3)
4.5 and 1
Option 4)
3 and 2.5
A d.c. main supply of e.m.f. 220 V is connected across a storage battery of e.m.f. 200 V through a resistance of 1. The battery terminals are connected to an external resistance ‘R’. The minimum value of ‘R’, so that a current passes through the battery to charge it is :
zero
Option 1)
Option 2)
Option 3)
Option 4)
zero
In the circuit shown, the current in the 1 resistor is :
1.3 A ,from P to Q
0 A
0.13 A ,from Q to P
0.13 A ,from P to Q
answer is option 3)0.13A from Q to P
In the electric network shown, when no current flows through the resistor in the arm EB, the potential difference between the points A and D will be :
3V
4V
5V
6V
The potential difference can be calculated via following method: