What is sound velocity?

1033

Differentiate static and kinetic friction.

1128

Explain how do you find the refractive index of a liquid by using total internal reflection?

888

Explain the different parts of the x-ray radiation intensity graph? : quantum physics

931

What is time?

912

What is the essence of quantum physics? What makes it so different from classical physics? : quantum physics

832

what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?

2082

i want to increase my ups back time ,i have added one 12v 68ah battery to my ups but it is not working ,is it possible to make adjustment so that new battery will work.

2759

Advantage of fixed pulley?

862

This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:

884

What cycle most directly describes the working cycle of a heat engine operating as an ideal engine of maximum thermal efficiency?

923

Why does heat cause matter to expand?

916

Explain reflection of light?

921

I want to prepare a frequency generator. the specifications i.e. output requirements are 12V, 1-10A & frequency upto 1K to 5K. Please, inform me with proper circuit dig. & the component values.

1985

What is the physical significance of biot numbers?

1027