A. 30° B. 45° C. 60° D. 90° Correct Answer: Option B B. 45° Explanation The formula is v²sin²θ/g And…
A. 50.0m B. 28.8m C. 18.0m D. 8.0m Correct Answer: Option D D. 8.0m Explanation Convert velocity from kmh‾¹ to…
A. I B. II C. III D. IV Correct Answer: Option B B. II
A. volume B. mass C. thickness D. density Correct Answer: Option B B. mass Explanation It is a type of…
A. Condensation B. Evaporation C. Photo Emission D. Thermionic Emission Correct Answer: Option A A. Condensation
A. 2.0N B. 3.0N C. 3.5N D. 7.0N Correct Answer: Option A A. 2.0N Explanation Upthrust = weight of the…
I. Vertical acceleration on the ball decreases as it falls II. The vertical force on the ball remains constant III.…
A. Molecules of solids move more freely than molecules of liquids and gases B. Molecules of solids are more closely…
A. 3.0ms−1 B. 4.5ms−1 C. 6.0ms−1 D. 18.0ms−1 Correct Answer: Option C C. 6.0ms−1 Explanation Given that u=0ms−1,a=2ms‾², s=9m We…
A. MLT‾¹ B. MLT‾² C. MLT D. ML Correct Answer: Option A A. MLT‾¹ Explanation Impulse = Force × time…