Physics - Single MCQs (Page 39)

Sponsored
Q381. Dioptre power of an concave lens of 10 cm focal length is?...Q382. Unit of power of a lens is?...Q383. In going form a denser to rarer medium a ray of light is?...Q384. The diameter of a lens is called?...Q385. A point where the incident parallel rays of light converge or appear to diverge ...Q386. A lens which converges a beam of parallel rays to a point is called?...Q387. The energy absorbed by a body is ________________ at resonance?...Q388. In case of a simple pendulum the cause of damping is?...Q389. A cup of milk is placed in a microwave oven. Tell which statements is false (1) ...Q390. The distance covered by a body in one complete vibration is 20cm. What is the am...