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World Students’ Day is observed on 15th October to commemorate the birth anniversary of Dr APJ Abdul Kalam Azad.
What is the main principle behind the working of an electric motor?
The density of water is maximum at which temperature?
The rate of transfer of charges through a circuit is called?
What is the work done when a force of 10 N moves an object by 5 m in the direction of the force?
In a concave mirror which of the following pair of position of object – size of the image is correct?
I. At infinity – point sized
Which of the following waves require a medium to travel?
Let the electric field part of an electromagnetic wave is E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s)t]} î.
Compute the...
What is the unit of the refractive index?
In order to investigate the internal atomic structure of crystals, we make use of:
Charges +q and –q are placed at (–d, 0) and (+d, 0). A third charge Q is placed at (0, x). For what value of x will the force on Q be maximum?