Dual Nature of Matter and Radiation [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 34 - 37 of 97

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Question 34

Appeared in Year: 2006 (AIIMS)

Question MCQ▾

In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum – [AIIMS]

Choices

Choice (4)Response

a.

Angle of incidence

b.

Wavelength

c.

Frequency

d.

Amplitude

Edit

Question 35

Appeared in Year: 2006 (AIIMS)

Question MCQ▾

Three objects coloured black, gray and white can withstand hostile conditions up to 2800°C. These objects are thrown into a furnace where each of them attains a temperature of 2000°C. Which object will glow brightest?

Choices

Choice (4)Response

a.

Gray object

b.

The white object

c.

The black object

d.

None of the above

Edit

Question 36

Appeared in Year: 2003 (AIIMS)

Question MCQ▾

Shown below are the black body radiation curves at temperatures and . Which of the following plots is correct?

[AIIMS, AMU 2002]

Choices

Choice (4)Response

a.

Black Body Radiation Curve: Choice A

b.

Black Body Radiation Curve: Choice B

c.

Black Body Radiation Curve: Choice C

d.

Black Body Radiation Curve: Choice D

Edit

Question 37

Appeared in Year: 2003 (AIIMS)

Question MCQ▾

If an electron and a photon propagate in the form of waves having the same wavelength, it implies that can they have the same –

Choices

Choice (4)Response

a.

Energy

b.

Angular momentum

c.

Momentum

d.

Velocity

Edit