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More Physics Questions
Consider the following statements. In a nuclear reactor, self-sustained chain reaction is possible because 1. More neutrons are released in each of the fission reactions. 2. The neutrons immediately take park in the fission process. 3. The fast neutrons are slowed down by graphite. 4. Every neutron released in the fission reaction initiates further fission. Which of these statements are correct?
Assertion (A) The speed of satellite always remain constant in an orbit. Reason (R) The speed of a satellite depends on its path.
The mass of a body on the Earth is 100 kg (acceleration due to gravity, g e = 10 m/s 2 ). If acceleration due to gravity on the Moon is (g e = 10 6 m/s 2 ), then the mass of the body on the Moon is
Identify the correct statement about minority carriers_____________?
If a bulb of 100 watt burns for 10 hours, the expenditure of electricity will be