Megha made a drawing using only curved lines. Which cannot be her drawing ?
why not option d
Shown below are four setups A, B, C and D, each with same wooden block having rubber band of same material tied on it. Which setup will produce the loudest sound on pulling the rubber band and striking it back on the block?
Please explain the reason.
Prior to sowing of crop seeds, these plants are grown and then mulched by ploughing them into the soil. Which of the following statements is not correct about them?
(A) These plants turn into a kind of manure called vermicompost
(B) These include sunnhemp, guar, Berseem etc
(C) These plants help in enriching the soil in nitrogen and potassium
(D) Both (A) & (C).
correct answer is ( a )
Study the given diagram carefully and select the correct option.
A X - Solid, Y - Liquid, R - Heating
B Y - Gas, Z - Liquid, T - Heating
C X - Solid, Z - Gas, P - Freezing
D Y - Gas, X - Liquid, Q - Cooling