Questions

Q:

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.

 

A) 140 deg B) 40 deg
C) 50 deg D) 20 deg
 
Answer & Explanation Answer: A) 140 deg

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Q:

What is the effective resistance (in Ω) of two resistors 12 Ω and 24 Ω connected in parallel?

A) 36 B) 8
C) 16 D) 72
 
Answer & Explanation Answer: B) 8

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Q:

If the resistance of a conductor is doubled, the current gets halved. This is because

A) I = V - R B) I = V/R
C) I = Rn/V D) I = VR
 
Answer & Explanation Answer: B) I = V/R

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Q:

The mass per unit volume is called

A) Force B) Work
C) Density D) Pressure
 
Answer & Explanation Answer: C) Density

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Q:

Which of the following is the largest satellite of the Solar System?

A) Titan B) Miranda
C) Moon D) Ganymede
 
Answer & Explanation Answer: D) Ganymede

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Q:

In terms of size, Venus ranks no. ___ in our Solar System.

A) 5 B) 6
C) 7 D) 8
 
Answer & Explanation Answer: B) 6

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Q:

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

 

The fans invited the cricketer.

 

A) The cricketer was invited by the fans B) The cricketer received an invitation by the fans
C) The cricketer is invited by the fans D) The cricketer was invite by the fans
 
Answer & Explanation Answer: A) The cricketer was invited by the fans

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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

 

A) precariousely   B) precarriously
C) precarriousely   D) precariously
 
Answer & Explanation Answer: D) precariously

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