Find the HCF of 70 and

The intensity of any wave is proportional to which quantity?

A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will -

Frequency modulation (FM) changes:

What is the electrical charge of a neutrino?

Which metal is liquid at room temperature?  

The mass and energy equivalent to 1 a.m.u. respectively are -

If the specific heat at constant pressure Cₚ is greater than Cᵥ , the difference Cₚ -Cᵥ is equal to:

Two tuning forks produce 4 beats per second. If one has a frequency of 256 Hz, the frequency of the other is:

A displacement-time graph is curved and concave downward from t = 0 to t = 2 s. Which statement is true?

Mirror formula is