physics

Which of the following is a derived unit?

A. Ampere B. Kilogramme C. Second D. Ohm E. Kelvin Correct Answer: Option D - Ohm

5 years ago

A body moves along a circular path with uniform angular speed of 0.6 rads−¹ and at a constant speed of 3.0ms−¹. Calculate the acceleration of the body towards the centre of the circle.

A. 25.0ms−² B. 5.4 ms−² C. 5.0ms−² D. 1.8 ms−² E. 0.2ms−² Correct Answer: Option D - 1.8 ms−² Explanation…

5 years ago

Which of the following is not an example of a force?

A. Tension B. Weight C. Friction D. Mass E. Thrust Correct Answer: Option D - Mass

5 years ago

Which of the following are correct of plane-polarized light?

I. Plane polarization of light is the formation of hydrogen bubbles on the particles of light. II. Plane polarization of…

5 years ago

A gas has a volume of 546cm³ at O°C. What is the volume of the gas at- 100°C if its pressure remains constant?

A. 346cm³ B. 446cm³ C. 546cm³ D. 646cm³ E. 746 cm³ Correct Answer: Option A - 346cm³

5 years ago

The expansion of solids can be considered a disadvantage in the?

A. fire alarm system B. thermostat C. riveting of steel plates D. balance wheel of a watch E. fitting of…

5 years ago

If the temperature of water is gradually increased from 0° to 4°C, the density of the water within this range?

A. increases for a while and then decreases B. decreases for a while and then increases C. increases gradually D.…

5 years ago