Electromagnetic Waves-Applications of Electromagnetic Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 6 - 7 of 7

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Question number: 6

» Electromagnetic Waves » Applications of Electromagnetic Waves

MCQ▾

Question

If E and B be the electric and magnetic field of E. M. wave then the direction of propagation of E. M. wave is along the direction.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 7

» Electromagnetic Waves » Applications of Electromagnetic Waves

MCQ▾

Question

Which of the following statements are true?

(1) Photographic plates are sensitive to ultraviolet rays.

(2) Photographic plates can be made sensitive to infrared rays.

(3) Infrared rays are emitted by hot objects.

(4) Infrared photon has more energy than the photon of visible light.

Select the correct answers and mark it according to the following codes:

Codes:

Choices

Choice (4) Response

a.

1 and 2 are correct

b.

1, 2 and 3 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

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