Question : Convex mirrors are used as rear-view mirrors in motorcycles because:

Option 1: It forms a virtual image

Option 2: It forms an erect (upright) image

Option 3: It forms a smaller image as compared with the object

Option 4: All of the above

Question : The measure of the force that can cause an object to rotate about an axis is called:

Option 1: moment of inertia

Option 2: power

Option 3: torque

Option 4: centripetal force

Question : Direction: In the following question, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is No error.

The teacher (1) /  has took  (2) /  the responcibility. (3) / No error. (4)

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 4

Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".

He assured me that he will return in an hour.

(1) He assured me 

(2) that he will return

(3) in an hour.

(4) No Error

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 4

Question : Direction: In the following question, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is No error.

Sometimes (1) /  I get angry (2) /  on her. (3) / No error. (4)

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 4