Normally tobacco is grown in which season?
Tobacco is an important cash crop cultivated in rabi season of India.
Which of the following materials is used for the generation of ultrasonic waves by using magnetostriction effect?
Global warming is expected to result in
A battery of emf 12 V and internal resistance 4 ohm is connected to a resistor. If the current in the circuit is 0.6 A, what is the resistance of the re...
Which of the following is NOT a conductor of electricity?
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...
A constant retarding force of 20 N is applied to a body of mass 10 kg moving initially with a speed of 12 m s–1. How long does the body tak...
The dimension of which of the following is the same as that of impulse?
A spherical ball made of steel when dropped in mercury container will –
As we go from Equator to North pole the value of ‘S; the acceleration due to gravity