A. By topping up the cells with concentrated acid B. The use of naked flame when charging the battery C.…
A. 4mm B. 2mm C. 0.25mm D. 0.12mm Correct Answer: Option C C. 0.25mm
A. Gravitational potential energy B. Potential energy C. Kinetic energy D. Mechanical energy Correct Answer: Option A A. Gravitational potential…
A. 1.05 × 10−²ms−¹ B. 1.85 × 10−³ms−¹ C. 9.50 × 10−¹ms−¹ D. 5.25 × 10−³ms−¹ Correct Answer: Option…
A. 1800J B. 1600J C. 600J D. 440J Correct Answer: Option B B. 1600J Explanation Potential energy at the highest…
A. Ciliary muscles B. Pupil C. Iris D. Retina Correct Answer: Option C C. Iris Explanation Iris is similar to…
A. Conduction only B. Convection only C. Radiation only D. All these methods Correct Answer: Option C C. Radiation only…
A. First law of motion B. Second law of motion C. Third law of motion D. Law of universal gravitation…
A. diffraction B. interference C. refraction D. reflection Correct Answer: Option D D. reflection Explanation Depth of sea can be…
A. the conductivity of the air increases B. the conductivity of the air decreases C. conduction does not occur D.…