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India leads in the area under crop production in the world.
What is the speed of sound in air at room temperature (20°C)?
Which property of a wave is related to its frequency?
If the vector sum of torques acting on a system is zero, then the object is in:
Two spherical soap bubbles of radii r1 and r2 coalesce to form a bubble of radius R. If surface tension of soap solution is T, atmospheric pressure is P...
The force that resists the motion of a body sliding over a surface is called:
The phenomenon of interference is based on the principle of:
What is the wavelength of light having frequency 6 × 10¹⁴ Hz? (Speed of light = 3 × 10⁸ m/s)
A 100 μF capacitor is charged to a voltage of 50V. How much energy is stored in the capacitor?
Water flows in a horizontal pipe of non-uniform area of cross-section at a pressure difference of 1.6 cm of mercury. If the velocity of water at the la...
A new technology which provides the ability to create an artificial world and have people interact with it is called –