Dual Nature of Matter and Radiation [HBCSE Olympiads (Homi Bhabha Centre for Science Education) NSEP (Physics)]: Questions 1 - 2 of 2

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Question 1

Dual Nature of Matter and Radiation

Appeared in Year: 2016

Question

MCQ▾

A particle at rest explodes into two fragments of masses which move apart with nonzero velocities. If are their de-Broglie wavelengths, respectively, then –

Choices

Choice (4)Response

a.

b.

c.

d.

Data insufficient

Question 2

Dual Nature of Matter and Radiation

Appeared in Year: 2016

Question

MCQ▾

Ultraviolet light of wavelength and intensity falls on the surface of a photosensitive material. If one percent of the incident photons produce photoelectrons then the number of photoelectrons emitted per second from an area of of the surface is nearly

Choices

Choice (4)Response

a.

b.

c.

d.