WAVE OPTICS — Physics STD 12 Science — Question

If on converting galvanometer of resistance G into ammeter, 1% of main current passes through the galvanometer, then what is the resistance of the shunt?

A thin converging lens is formed with one surface convex and the other plane. Does the position of image depend on whether the convex surface or the plane surface faces the object?

What is the effect of increase of temperature on relaxation time? What is the effect on drift velocity of free electron?

Why does the energy of emitted photo-electrons vary even after shining light on the surface of a metal?

Name the type of charge carriers in p-n junction diode when forward biased.

In what way is the behaviour of a diamagnetic material different from that of a  paramagnetic, when kept in an external magnetic field.

A particle executes simple harmonic motion. Let P be a point near the mean position and Q be a point near an extreme. The speed of the particle at P is larger than the speed at Q. Still the particle crosses P and Q equal number of times in a given time interval. Does it make you unhappy?

Find the force exerted by the water on a 2m² plane surface of a large stone placed at the bottom of a sea 500m deep. Does the force depend on the orientation of the surface?