Explain the characteristics of dead stars?
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How spectral lines show discrete energy levels in an atom. : quantum physics
What is the measure of the force of gravity on an object?
WHY IS MAGNETIC NEEDLE POINTD?
Which element has the lowest melting point?
two person are waking same speed.one is walking state and another walking circle. who will go long distance
why is a coin in a vessel not vissible when seen fromjust below the edge of the vessel but can be viewed from the same position when water is poured into the vessel ?
What is the wavelength of sound in air?
a car starts from rest with uniform acceleration "a" for sometime and then with uniform retardation "b" and comes to rest. The time of motion is "t". find the maximum velocity attained by it?
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 frequncy?
What is a thermal transformation?
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate