i. speed. ii. wavelength. iii. frequency. A. i only B. ii only C. iii only D. i and ii only…
A. wave propagated in stretched string? B. wave in closed pipe C. radio waves D. water waves E. sound waves…
A. shutter B. film C. lens D. diaphragm E. focusing ring Correct Answer: Option D - diaphragm
A. less than f B. greater than f but less than 3f C. equal to f D. equal to 2f…
i. Plane polarization of light is the formation of hydrogen bubbles on the particle of light. ii. Plane components. iii.…
A. virtual B. blurred C. inverted D. erect E. real Correct Answer: Option E - real
A. 0.40 B. 0.60 C. 1.50 D. 1.67 E. 2.50 Correct Answer: Option D - 1.67 Explanation n = real…
A. 10.5° B. 19.5° C. 21.1° D. 38.9° E. 40.5° Correct Answer: Option A - 10.5° Explanation n = sin…
A. blue B. red C. yellow D. green E. black Correct Answer: Option E - black
A. volume B. temperature C. mass D. density E. pressure Correct Answer: Option B - temperature