Explain the Optical Medium ?
Answer / guest
A substance through which light can pass is called optical
medium e.g. air, water, glass.
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Explain the Machines ?
What is the commercial unit of electrical energy ?
What is the general term for the kind of material usually placed between the conducting plates of a capacitor?
Tell me what type(amount) of capacitors are used in fan?
What is meant by 4th dimension?
Why a capacitor is a voltage sensitive device?
Why dies a man carrying a load on his back lean forward ?
Explain the Ray of Light ?
How can the presence of an element in a distant star detected ?
How does the electricity travel ?
The principle of action of points is used in A. capacitors B. inductors C. resistors D. lightning arrestors
7 Answers GSSO, TNPSC Tamil Nadu Public Service Commission, UPSC,
a truck A moving with a velocity of 30m/s collides with a stationary trolley B of mass 0.5tonnes after collision the two bodies were automatically connected.find their common velocities after collision if the mass of truck is 1.2tonne.