A. 300N B. 600N C. 1200N D. 400N Correct Answer: Option C - 1200N Explanation F = Ma + mg = 60 x…
A. Temperature of a liquid increases B. Volume of the liquid increases C. Volume of the liquid decreases D. Temperature of the liquid…
A. Pressure of the liquid B. Temperature in the enclosure C. Pressure of the enclosure D. Volume of the liquid…
A. Evaporation B. Conduction C. Radiation D. Convection Correct Answer: Option A - Evaporation
A. Temperature decreases B. Slow evaporation C. Temperature increases D. Rapid evaporation Correct Answer: Option D - Rapid evaporation
I.Chemical II.Sound III.Electricity A. I and II only B. II and III only C. I, II and III D. I and III only Correct…
A. g/16 B. g/4 C. 4/g D. 16/g Correct Answer: Option A - g/16 Explanation g/R² = g/4² = g/16
A. 80cm B. 40cm C. 50cm D. 70cm Correct Answer: Option B - 40cm
A. Prism binoculars B. Telescope C. Film projector D. Microscope Correct Answer: Option B - Telescope
A. Efficiency of a machine is always greater than 1 B. Efficiency decreases with an increase in friction C. Velocity…