**Category** > **General Science (Physics) Practice Sets for WBCS**

Energy is an example of a scalar quantity. Because it only has magnitude but has no direction.

**Energy = Force * Displacement **

Here both force and displacement are vector quantity but its multiplication is a scalar quantity.

Q 1. On whose advise does the President of India use his power & authority?

Q 2. Where is the International Court of Justice located?

Q 3. Which amongst the following pairs is not correctly matched?

Q 4. Which mineral in found in greatest quantity in India amongst the following?

Q 5. The colour of rainbow divides into seven colours due to

Q 6. If 𝑥 + 𝑦 = 3, 𝑥𝑦 = 2, then 𝑥 3 − 𝑦 3=?

Q 7. Which smallest number should be subtracted from 1936 so that on being divided by 9, 10, 15, every time the remainder is 7?

Q 8. 789.345 + 30.075 – 765.21 – 7.86 = ?

Q 9. 998 x 981 = ?

Q 10. √732108 = ?