A. mechanical energy B. heat energy C. magnetic energy D. chemical energy Correct Answer: Option B B. heat energy
A. momentum is lost due to the sound produced B. loss of momentum is equal to the loss in kinetic…
A. impulse B. force C. power D. pressure Correct Answer: Option B B. force
A. 0.25ms‾² B. 0.50ms‾² C. 2.00ms‾² D. 5.00ms‾² Correct Answer: Option D D. 5.00ms‾²
A. friction force dissipates the energy of motion B. the frequency of oscillation varies with time C. the period of…
A. 0.3N B. 0.5N C. 3.0N D. 5.0N Correct Answer: Option C C. 3.0N
A. increases with an increase in surface area B. decreases with an increase in surface area C. increases with a…
A. 20N B. 10N C. 6N D. 4N Correct Answer: Option C C. 6N Explanation Upthrust = Weight of fluid…
A. 24.0N B. 12.5N C. 7.5N D. 4.0N Correct Answer: Option B B. 12.5N Explanation F = ma = 1…
A. evaporation B. thermal conduction C. radiation of heat D. convectional current of fluids Correct Answer: Option C C. radiation…