Decibel is used to measure______?

The molecular weight of water is___?

When X-rays are produced?

Temperature of the substance denotes ____ energy of its particles.

Ice floats on water because its density is ___ than that of water.

Ice floats on water because its density is ___ than that of water.

Who was the inventor of positron?

The normal value of acceleration due to gravity is___?

The normal value of acceleration due to gravity is

Entropy is the measurement of____?

Oxygen was discovered by