What is dispension of light?
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Examine the working of the Refrigerator?
Explain reflection of light?
How does a sailor find his longitude ?
What are the ten satellite launched from india and year of launch?
What is the Ordinary magnet ?
The light in vehicle become dim when it is starting,why?
what is relation between magnetic and electricity and why?
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?
What is acoustics?
What is Convex lens ?
Explain the use of galvanometer?
How many types of wave motions are there?