The correct answer is A
The substance which conducts current in the solid state is –
Which of the following pair regarding sound is correct?
I. Loudness – depends on amplitude
II. Shrillness – depends on frequency
The absolute temperature of a body A is five times that of another body B. For two bodies, the difference in wave lengths at which energy radiated is ma...
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
In an experimental arrangement of a Fresnel's biprism, monochromatic light of wavelength 2. is used to produce interference fringe pattern. On introduc...
A potentiometer wire of length 1 m has a resistance of 5 Ω. It is connected to a 6 V battery in series with a resistance of 10 Ω. Determine the emf ...
A toroid has a core (non-ferromagnetic) of inner radius 23 cm and outer radius 28 cm, around which 4000 turns of a wire are wound. If the current in th...
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
