A. V/L B. 5V/L2 C. 5L/4V D. 5V/4L Correct Answer: Option D Explanation L = 5λ/4 λ=4L/5 But λ=fλ f…
A. have the same refractive index B. have the same wavelength C. add-up to produce black light D. add-up to…
i. is a phenomenon of refraction of light. ii. occurs when light rays travel into a denser medium. iii. occurs…
A. at the focus B. at the centre of curvature C. beyond the centre of curvature D. between the centre…
A. are longitudinal B. have the same frequency C. have the same wavelength D. travel at the same speed in…
A. 165.0 ms‾¹ B. 330.0ms‾¹ C. 41.5ms‾¹ D. 85.0ms‾¹ Correct Answer: Option B B. 330.0ms‾¹ Explanation v = fλ =…
A. expand B. collide less often C. move more rapidly D. contract Correct Answer: Option C C. move more rapidly
A. the freezing point is lowered B. the freezing point is increased C. there is no change in the freezing…
A. continuous dissipation of heat to the room B. uniform distribution of thermal energy to all parts of the mixture…
A. 13ºC B. 20ºC C. 33ºC D. 38ºC Correct Answer: Option B B. 20ºC