Question

vi) When light waves interfere,
is conserved
a)Intensity b) Energy c) Amplitude d) Momentum
vii) When the frequency of AC is doubled the impedance of RL circuit
a)increase b) decrease c) is doubled d)halved
viii) Red shift takes place when the apparent wave length
a)Remains same b) increases c) Decreased d) Either borc
ix) Which gate corresponds to the action of series switches
a)NAND gate b) NOR gate c) OR gated) AND gate
x) A body rolls down a smooth inclined plane. If its rotational K.E is 50%
a) Cylinder b) Sphere c)Ring d)Disc​

Answer 1

Answer:

1 energy

2 decrease

3 remain same

4 nor gate

5 sphere