AIIMS (All India Institute of Medical Sciences) Physics: Questions 29 - 33 of 500

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Question number: 29

» Magnetic Effects of Current and Magnetism » Electromagnets and Permanent Magnets

Appeared in Year: 1999

MCQ▾

Question

A charged particle enters a magnetic field B with its initial velocity making an angle of 45° with B. The path of the particle will be: [AIIMS]

Choices

Choice (4) Response

a.

A helix

b.

An ellipse

c.

A circle

d.

A straight line

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Question number: 30

» Electrostatics » Capacitors

Appeared in Year: 2002

MCQ▾

Question

In the given figure, the capacitors C1, C3, C4, C5

have a capacitance 4µF each. If the capacitor C2 has a capacitance 10µF, then effective capacitance between A and B will be: [AIIMS]

Choices

Choice (4) Response

a.

8µF

b.

6µF

c.

2µF

d.

4µF

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Question number: 31

» Dual Nature of Matter and Radiation » Photoelectric Effect

Appeared in Year: 2004

MCQ▾

Question

A photon of energy 4 eV is incident on a metal surface whose work function is 2eV. The minimum reverse potential to be applied for stopping the emission of electrons is – [AIIMS]

Choices

Choice (4) Response

a.

6V

b.

4V

c.

8V

d.

2V

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Question number: 32

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Appeared in Year: 2003

MCQ▾

Question

A frog can be levitated in a magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as – [AIIMS]

Choices

Choice (4) Response

a.

Antiferromagnetic

b.

Paramagnetic

c.

Ferromagnetic

d.

Diamagnetic

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Question number: 33

» Ray Optics » Total Internal Reflection

Appeared in Year: 1998

MCQ▾

Question

Mirage’ is a phenomenon due to [AIIMS; MP PET 2002; AFMC 2003]

Choices

Choice (4) Response

a.

Total internal reflection of light

b.

Refraction of light

c.

Reflection of light

d.

Diffraction of light

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