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What is the main effect of increasing the temperature of a gas at constant volume?
The half-life of a radioactive substance is 5 hours. How much of the substance remains after 15 hours?
What is the name of the process by which a liquid changes into gas at all temperatures?
The stress–strain graph for two wires A and B is shown. Wire A has a steeper linear region than B. This indicates that:
A beam of light consisting of two wavelengths, 600 nm and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find...
Two charges, +3 µC and –3 µC, are placed 1 m apart in vacuum. What is the electrostatic potential energy of the system?
A uniform wire is bent into a circle and a battery is connected across a chord that subtends an angle of 60° at the center. What is the ratio of curren...
Which physical quantity has unit “Joule/second”?
In a diatomic gas at ordinary temperatures, how many degrees of freedom contribute to internal energy?
In a nuclear reaction, the product nucleus has higher binding energy per nucleon than the reactants. Which of the following is correct?
