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17-year-old Grandmaster Gukesh D has become India's No. 1 chess player, surpassing Grandmaster Viswanathan Anand. Gukesh is also the third Indian to break into the world's top 10 after Anand and Pentala Harikrishna..
Two billiard balls each of mass 0.02 kg moving in opposite directions with speed 5 m s−1 collide and rebound with the same speed. What is t...
For a cell terminal potential difference is 3.5 V when circuit is open and reduces to 2.5 V when cell is connected to a resistance of R = 10Ω then...
What is found in frequency modulation?
Bolometer is used to measure –
The polarization of electromagnetic waves demonstrates that they are:
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...
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
The density of water is maximum at which temperature?
Clear nights are colder than cloudy nights because of –
