The total angle turned through during this interval is
water column of height 7 cm. If refractive index of water is
The true power consumed in a.c. circuit is
3. In which photo current is independent of intensity of incident radiation
4. Which may be operated in forward or reverse bias
Please explain in detail
It is scalar quantity
Value of mass not depends on gravity
mass of a body is given by here symbol have their usual meaning.
mass can never be zero.