AIPMT 2007 | Electromagnetic Waves Question 25 | Physics

AIPMT 2007

MCQ (Single Correct Answer)

-1

The electric and magnetic field of an electromagnetic wave are

in opposite phase and perpendicular to each other

in opposite phase and parallel to each other

in phase and perpendicular to each other

in phase and parallel to each other.

AIPMT 2005

MCQ (Single Correct Answer)

-1

If $$\lambda $$_v, $$\lambda $$_x and $$\lambda $$_m represent the wavelengths of visible light, X-rays and microwaves respectively, then

$${\lambda _m} > {\lambda _x} > {\lambda _v}$$

$${\lambda _m} > {\lambda _v} > {\lambda _x}$$

$${\lambda _v} > {\lambda _x} > {\lambda _m}$$

$${\lambda _v} > {\lambda _m} > {\lambda _x}$$

AIPMT 2003

MCQ (Single Correct Answer)

-1

Which of the following rays are not electromagnetic waves ?

X-rays

$$\gamma $$-rays

$$\beta $$-rays

heat rays

AIPMT 2003

MCQ (Single Correct Answer)

-1

We consider the radiation emitted by the human body. Which one of the following statements is true?

The radiation emitted is in the infra-red region

The radiation emitted only during the day

The radiation is emitted during the summers and absorbed during the winters

The radiation emitted lies in the ultraviolet region and hence is not visible

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