Apatite is a group of minerals which mainly

Which property of a wave is related to its frequency?  

A 10 μF capacitor is charged to 100 V. The energy stored in the capacitor is:

A current element is placed at origin. At point P(1 mm,1 mm), the magnetic field due to this element is:

Which graph represents uniform motion?

__________ is the same at every point on a rotating body.

A bulb of 100 W is used for 10 hours. Find the energy consumed in kWh.  

One kilogram of ice at 0° C is mixed with one kilogram of water at 85° C. The final temperature of the mixture is

A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.