A. II only B. III only C. I & IV only D. II & III only Correct Answer: Option B…
A. First condition B. Second condition C. Third condition D. Fourth condition Correct Answer: Option A A. First condition Explanation…
A. less efficient than solid B. more efficient than solids C. equally efficient to solids D. efficiently may vary Correct…
I. the total is entirely kinetic II. the ratio of potential energy to kinetic energy is constant III. the sum…
A. the resultant of the parallel forces is zero B. the algebraic sum of all the moments of the forces…
A. 1 B. 2 C. 3 D. 4 Correct Answer: Option B B. 2 Explanation At the lowest point i.e…
A. 200 N/m² A. 300 N/m² B. 100 N/m² C. 400 N/m² Correct Answer: Option A A. 200 N/m²
I. vibration produces waves II. waves transmit energy along the medium III. the medium through which the wave travels does…
A. The index of refraction only B. The angle of incidence as well as the index of refraction C. The…
A. 3.33% B. 5.55% C. 33.33% D. 55.55% Correct Answer: Option C C. 33.33%