How do you find the refractive index of a liquid by using total internal reflection?
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If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?
Explain what is the rectilinear propagation of light?
Is it possible to convert a heat energy into magnetic energy?
A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?
How is radiation emitted from the body?
Explain the Stress ?
What type(amount) of capacitors are used in fan?
In Einstein's mass energy relation E=mc2 why velocity of light is used and never ordinary velocities?what is the exact explanation?
Explain the Translucent ?
What is periodic wave?
if 100W and 200W bulbs are connected in series to a supply which bulb will glow brighter and why
Explain the thermal transformation?