AIIMS MBBS Entrance Test 2019 Physics Paper with Answer & Solutions 25 May Second Shift Part 5

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Q-18 Two sources of sound and are moving towards and away from a stationery observer with same speed respectively. Observer detects beats per second. Find speed of sources (approximately). Given,, speed of

Image observer 3 beats/s

Image Observer 3 Beats/S

Options:

(1)

(2)

(3)

(4)

Answer: (1)

Solutions:

Q-19 In hydrogen atom find magnetic field at centre in ground. State if Bohr’s radius is.

Options:

(1)

(2)

(3)

(4)

Answer: (3)

Solutions:

Q-20

Image charge on capacitor

Image Charge on Capacitor

Find charge on capacitor after 1 sec of opening the switch at?

Options:

(1)

(2)

(3)

(4)

Answer: (2)

Explanation:

At

When switch open

Q-21 In an isobaric process, the work done by a di-atomic gas is, the heat given to the gas will be:

(1)

(2)

(3)

(4)

Answer: (1)

Solutions:

For constant pressure process

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