A. 3.86 x 105J B. 3.56 x 105J C. 1.80 x 104J D. 2.16 x 105J Correct Answer: Option D…
A. close up B. become positively charged C. becomes negatively charged D. open further Correct Answer: Option A = close…
A. blue B. orange C. red D. green Correct Answer: Option B = orange Explanation Primary colours are red, blue…
A. interference B. diffraction C. accommodation D. superposition Correct Answer: Option C - accommodation Explanation The leaves collapse as the…
A. x is the same as in y B. x and y is the same as in vacuum C. x…
A. 48.6° B. 22.5° C. 41.5° D. 45.0° Correct Answer: Option C = 41.5° Explanation SinC = (1)/n = (1)/1.51…
A. 4. 0 cm B. 3. 0 cm C. 12.0 cm D. 9.0 cm Correct Answer: Option C = 12.0…
A. 10 cm in front of the mirror. B. 5 cm in front of the mirror C. 10 cm behind…
I. Moon. II. Sun. III.street light. IV. stars. A. II, III, and IV only B. I, II and III only…
A. quality B. pitch C. intensity D. loudness Correct Answer: Option A - quality Explanation The quality of a note…