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Afforestation (B), carpooling (C), and the use of renewable energy sources (D) are all effective methods for reducing air pollution. Afforestation helps in capturing carbon dioxide, a major greenhouse gas. Carpooling reduces the number of vehicles on the road, thus decreasing vehicular emissions. Utilizing renewable energy sources like solar and wind instead of burning fossil fuels directly reduces air pollutants.
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
Sensitivity of the human eye is maximum in the –
Which of the following is a nonrenewable source of energy?
A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding?
In a convex lens, when the object is at infinity, then the position of image is ______.
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...
Which law of thermodynamics states that energy cannot be created or destroyed?
Which of the following is NOT a non-contact force?
Two long parallel conductors are placed 8mm apart from each other carrying a current of 120 Amperes. What will be force per meter length of each one?
A body of mass 4 kg falls freely from a height of 5 m. What is its kinetic energy just before it hits the ground? (Take g = 10m/s²)