What is reflection of light?
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What is the value of magnetism at the center of earth?
What does hull speed mean?
Can a solid and liquid together be possible?
we know the speed of light...... then what is the speed of darkness?????????????
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 Real image ?
Explain what is different between secondary electron image and back scattered electron image?
What is a Thrust ?
A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?
Why does fountain pen filler drew up ink ?
Which animals communicate on under water sounds?
Explain about Anemometer?