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Which Bohr postulate explains the stability of the hydrogen atom?
A bulb of 100 W is used for 10 hours. Find the energy consumed in kWh.
Energy that is produced commercially from coal is called –
If the vector sum of torques acting on a system is zero, then the object is in:
A wire is stretched by a force such that it experiences a strain of 2 x 10-3. If Young’s modulus of the material is 2 x 1011 Pa,...
Find the power if a force of 100 N displaces an object by 10 m in 5 seconds.
Sensitivity of the human eye is maximum in the –
A coil with N turns and area A is placed in a magnetic field varying as B = B₀·e–αt. What is the induced EMF at time t = 0?
A spherical ball made of steel when dropped in mercury container will –
