NDA General Ability 10 April 2022 | NDA Year Wise Previous Years Questions

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General Science

General Studies

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NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

Two resistors R₁ and R₂ arranged in parallel combination in an electrical closed circuit are made of the same material and of the same thickness. If the length of R₂ is twice the length of R₁, then the total resistance R satisfies

3R = 2R₁

3R = 2R₂

2R = 3R₁

2R = 3R₂

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

What is the magnification produced by a concave lens of focal length 10 cm, when an image is formed at a distance of 5 cm from the lens?

2.0

1.0

0.5

0.33

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

A wooden box of mass 2 kg and dimensions (30 cm × 15 cm × 10 cm) is placed on a table with sides 30 cm and 10 cm touching the tabletop. Which one of the following is the approximate pressure exerted on the table?

111.1 N/m2

222.2 N/m2

333.3 N/m2

666.6 N/m2

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

Why are the tyres of aircrafts made of conducting rubber?

1. So that the charge accumulated on the aircraft in flight, by rubbing the air, can easily be transferred to ground on landing.

2. So that the charge accumulated due to the operation of various electronic equipments in the aircraft in flight can easily be transferred to ground on landing.

Select the correct answer using the code given below.

1 only

2 only

Both 1 and 2

Neither 1 nor 2

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