A car starts from rest and covers a distance of 40 m in 10 s. Calculated the magnitude of its acceleration

3 years ago

A. 3.20 ms−2 B. 0.25 ms−2 C. 0.80 ms−2 D. 4.00 ms−2 Correct Answer: Option C = 0.80 ms−2 Explanation…

A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when?

3 years ago

A. the magnet is moved towards the stationary solenoid B. there is no relative motion C. the magnet is moved…

A bar magnet is divided into two pieces; which of the following statement is correct?

3 years ago

A. two new magnets are created B. the magnetic field of each separate piece becomes stronger C. the electric field…

Which of these is a derived unit?

3 years ago

A. Kilogram B. Metre C. Newton D. Second Correct Answer: Option C - Newton Explanation Examples of Fundamental Quantities ;…

The basic principle of operation of a beam balance is?

3 years ago

A. Hooke's law B. Archimedes principle C. law of flotation D. principle of moments Correct Answer: Option D - principle…

In which of the following situations is friction not useful?

3 years ago

A. Operation of a grinding machine B. Walking C. Application of brakes D. Moving piston in a sleeve Correct Answer:…

The viscosity of a fluid depends on the following factors except the?

3 years ago

A. relative motion between the layers of the fluid B. nature of the material of the fluid C. surface area…

Using venier calipers; which of the following readings gives the correct measurement for the length of a rod?

3 years ago

A. 4.1 cm B. 4.13cm C. 125 cm D. 1254 cm Correct Answer: Option B = 4.13cm Explanation Vernier calipers…