📣 From 2020 AIIMS has been merged with NEET. You can practice NEET questions and those also include important AIIMS questions.

AIIMS (All India Institute of Medical Sciences) Physics: Questions 31 - 34 of 500

Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 350.00 -OR-

How to register? Already Subscribed?

Question 31

Appeared in Year: 2004

Question

MCQ▾

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.

8V

b.

4V

c.

2V

d.

6V

Question 32

Appeared in Year: 2003

Question

MCQ▾

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.

Ferromagnetic

c.

Diamagnetic

d.

Paramagnetic

Question 33

Appeared in Year: 1998

Question

MCQ▾

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

Choices

Choice (4)Response

a.

Refraction of light

b.

Total internal reflection of light

c.

Reflection of light

d.

Diffraction of light

Question 34

Appeared in Year: 2005

Question

MCQ▾

A magnet is made to oscillate with a particular frequency, passing through a coil as shown in figure. The time variation of the magnitude of emf generated across the coil during one cycle is – [AIIMS]

A Magnet Oscillate through a Coil

Choices

Choice (4)Response

a.

Graph of Emf Verses Time (Choice-A)

b.

Graph of Emf Verses Time (Choice-B)

c.

Graph of Emf Verses Time (Choice-C)

d.

Graph of Emf Verses Time (Choice-D)

Developed by: