A. photoelectric effect B. speed of light C. colours of light D. diffraction of light Correct Answer: Option A -…
A. frequency of the beam B. work function of the metal C. threshold frequency of the metal D. intensity of…
A. -9.20eV B. -8.20eV C. -2.75eV D. -1.75eV Correct Answer: Option C = -2.75eV Explanation E3=E/n² E3=−24.8/3² E3=2.75eV
A. 2.4g B. 3.2g C. 4.6g D. 4.8g Correct Answer: Option C - 4.6g Explanation First, let's find z z…
A. Ohm's law B. Faraday's law C. Colomb's law D. Lenz's law Correct Answer: Option D - Lenz's law
A. high resistance is connected to it in series B. high resistance is connected to it in parallel C. low…
A. gains both potential and kinetic energy B. gains potential energy and lose kinetic energy C. loses potential energy and…
A. 9A B. 8A C. 7A D. 6A Correct Answer: Option B = 8A Explanation I = P/v I =…
A. N90 B. N50 C. N45 D. N5 Correct Answer: Option C - N45 Explanation P = 40 x 10…
A. electrolytes B. metals C. diode D. glass Correct Answer: Option B - metals