If the amplitude of oscillation of a simple pendulum is very small, then its time period of oscillation 

1) depends on the length of the pendulum, L
2) depends on the acceleration due to gravity, g
3) depends upon the mass of the bob of the pendulum, m
4) does not depend upon the amplitude of the pendulum, A
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The term LASER stands for 

Which of the following statements about carboxylic acids is/are correct? 

1) Simple aliphatic carboxylic acids are soluble in water.
2) Higher carboxylic acids are practically insoluble in water.
3) The acidity of a carboxylic acid depends on the number of carbon atoms present in the hydrocarbon chain.
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The Tropic of Cancer passes through which one of the following countries? 

Gersoppa Falls is formed by which one of the following rivers?