if a sin 45 ˚ = b cosec

As we go from Equator to North pole the value of ‘S; the acceleration due to gravity

Which of the following is not a nuclear reaction?

What is found in frequency modulation?

Which law of thermodynamics states that energy cannot be created or destroyed?

In a diffraction experiment using a single slit, the angular width of central maximum decreases when:

Find the power if a force of 100 N displaces an object by 10 m in 5 seconds.

A dipole placed in uniform electric field experiences:

A parallel plate capacitor is half-filled with a dielectric slab (K = 4). What is its effective capacitance, assuming plate separation d?

Tungsten is used for the manufacture of the filament of an electric bulb, because –

A new technology which provides the ability to create an artificial world and have people interact with it is called –