Physics MCQs

Correct answer C. Einstein

Correct answer C. Frequency

Correct answer D. Both interference and diffraction fringes

Correct answer A. Plane of polarisation

Correct answer C. 300 W

Correct answer D. High current

Correct answer D. I²R

Correct answer B. Kilowatt-hour

Correct answer C. Almost zero

Correct answer B. Straight line

Correct answer D. Both negative and positive charges

Correct answer B. 12

Correct answer D. It increases with the rise in temperature

Correct answer B. 40 W bulb

Correct answer B. Source of EMF

Correct answer C. Copper

Correct answer D. Zero

Correct answer A. 144000 J

Correct answer C. One hour

Correct answer D. More heat is produced in the thin wire