NDA 2017 Paper 1 | Physics Question 104 | General Science

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NDA 2017 Paper 1

MCQ (Single Correct Answer)

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The following figure shows displacement versus time curve for a particle executing simple harmonic motion.

Image

Which one of the following statements is correct?

Phase of the oscillating particle is same at t = 1 s and t = 3 s.

Phase of the oscillating particle is same at t = 2 s and t = 8 s.

Phase of the oscillating particle is same at t = 3 s and t = 7 s.

Phase of the oscillating particle is same at t = 4 s and t = 10 s.

NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

Match List I with List II and select the correct answer using the codes given below the lists.

Image

A	B	C	D
4	2	1	3

A	B	C	D
4	1	2	3

A	B	C	D
3	1	2	4

A	B	C	D
3	2	1	4

NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

A circular coil of single turn has a resistance of 20$$\Omega$$. Which one of the following is the correct value for the resistance between the ends of any diameter of the coil?

5 $$\Omega$$

10 $$\Omega$$

20 $$\Omega$$

40 $$\Omega$$

NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

In a solenoid, the current flowing through the wire is I and number of turns per unit length is n. This gives a magnetic field B inside the solenoid. If number of turns per unit length is increased to 2n, what will be the value of magnetic field in the solenoid?

$${B \over 2}$$

$${B \over 4}$$

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Questions Asked from Marks 2.5