A. The vertical distance covered B. Acceleration due to gravity C. The horizontal distance covered D. The acceleration of the…
I. Dielectric constant II. Momentum III. Efficiency IV. Refractive index A. I and II B. II, III and IV C.…
A. 6kg B. 9kg C. 10kg D. 15kg Correct Answer: Option A A. 6kg Explanation Total force exerted on the…
A. Fv B. zero C. Fmr D. Fr/m Correct Answer: Option B B. zero Explanation The work done by the…
A. thickest at the top B. thickest at the middle C. thickest at the bottom D. of the same thickness…
During a training session, two footballers pass a ball repeatedly between each other. The 'to and fro' motion of the…
A. momentum B. Inertia C. impulse D. Energy Correct Answer: Option B B. Inertia
A. PQ B. QR C. RS D. QS Correct Answer: Option B B. QR Explanation The height of the mercury…
A. Hz B. cd C. dB D. J Correct Answer: Option D D. J Explanation Every form of energy is…
The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level…