Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.
Give me a easy answer
Q2. What shape is (a) Your instrument box? (b) A brick? (c) A matchbox? (d) A road-roller? (e) A sweet laddu?
What will be the additive inverse of
What is binary number
Calculate the molar mass of the following substances. (c) baking soda
Why is glass considered a super cooled liquid?
During sunrise and sunset, the light has to travel a long distance in the atmosphere. So light of small wavelength scatters and the least scattered light reaches our eyes. Red is the least scattered light. So sky looks red.
The following are the reasons for using steel instead of other materials to make robots.
1. Steel is commonly available and it is found in the form of an alloy of Iron.
2. It is stronger than other metals like aluminum.
3. Welding is easy to do
4. It blunts tools easily.
Hence the above reasons make steel favorable building material for Robots.
How many stars in milky way?
3.20 b) Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of (iii) 6 Ω
Attach them in series
Question 6. Let ∗ be the binary operation on N given by a ∗ b = L.C.M. of a and b. Find
(v) Which elements of N are invertible for the operation ∗?
HOF is an oxidizing agent which is extremely unstable and it is highly reactive and corrosive in nature. It is used as the explosive material because it is highly unstable due to the high electronegativity difference between fluorine and hydrogen and due to its property of breaking down into HF and O2
Reaction showing breakdown of HOF
2 HOF → 2 HF + O2
What is displacement and distance
Write these in ascending and also in descending order.
Which is the larger fraction?