Select the word that best expresses the meaning of the underlined word.
A corrupt officer is a disgrace to the whole department.
The word ‘disgrace’ means ‘embarrassment and the loss of other people's respect, or behaviour that causes this’.
A sphere of radius 1m encloses a charge of 10μC. Another charge of −5μC is placed inside the sphere. The net electric flux would be :
What is the magnitude of magnetic force per unit length on a wire carrying a current of 10 A and making an angle of 30° with the direction of a unif...
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
Which of the following materials exhibits piezoelectric effect?
The surface tension of water on adding detergent to it –
In a plane electromagnetic wave. the electric field oscillates sinusoid ally at a frequency of 3 × 108 Hz and amplitude 36 V/m. Find the am...
Current sensitivity of a moving coil galvanometer is 9 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 30 div/V. The...
One kilogram of ice at 0° C is mixed with one kilogram of water at 85° C. The final temperature of the mixture is
(Tale specific heat of ...
A spherical ball made of steel when dropped in mercury container will –
