SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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increase mass of the substance
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increase volume of the substance
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increase temperature of the substance
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all of the other three choices
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Detailed explanation-1: -On increasing the temperature of a substance, the kinetic energy of its particles increases.
Detailed explanation-2: -The correct answer is Option 2, i.e Velocity. The kinetic energy of an object increase with its velocity. The kinetic energy of an object is the energy it has because of its motion.
Detailed explanation-3: -As we increase the temperature, the rate of diffusion becomes faster due to increase in kinetic energy of particles.
Detailed explanation-4: -A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. The particles in solids vibrate about fixed positions; even at very low temperatures. Individual particles in liquids and gases have no fixed positions and move chaotically.