A. focal length of the objective is greater than that of the eyepiece B. focal length of the eyepiece is…
A. 3.0 B. 1.5 C. 0.6 D. 0.3 Correct Answer: Option A A. 3.0
A. F and X B. X and C C. C and F D. F and 2F Correct Answer: Option B…
A. 0.50 B. 0.67 C. 0.75 D. 1.13 Correct Answer: Option A A. 0.50 Explanation 9nn=3/4×2/3=0.5
A. 2.5 cm B. 3.0cm C. 5.0cm D. 25.0cm Correct Answer: Option A A. 2.5 cm
A. nodal line B. antinodal lines C. stationary waves D. dispersion Correct Answer: Option D D. dispersion
A. reflection B. interference C. diffraction D. polarization Correct Answer: Option D D. polarization
A. increase in pressure over the liquid B. lowering the boiling point C. decreasing in humidity D. wind Correct Answer:…
A. sky to land B. sea to sky C. land to sea D. sea to land Correct Answer: Option D…
A. radioactive radiations B. radiant energy C. x-rays D. the presence of electrons Correct Answer: Option B B. radiant energy