EM Test

EM Test

11th Grade

38 Qs

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EM Test

EM Test

Assessment

Quiz

Physics

11th Grade

Medium

Created by

Corinne CTA]

Used 363+ times

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38 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which portion of the electromagnetic spectrum is used in a television?

infrared waves

X rays

radio waves

gamma waves

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which portion of the electromagnetic spectrum is used to identify fluorescent minerals?

ultraviolet light

X rays

infrared waves

gamma rays

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the wavelength of microwaves of 3.0 x 10^9 Hz frequency?

0.050 m

0.060 m

0.10 m

0.20 m

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When red light is compared with violet light,

both have the same frequency.

both have the same wavelength.

both travel at the same speed.

red light travels faster than violet light.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you are reading a book and you move twice as far away from the light source, how does the brightness at the new distance compare with that at the old distance? It is

one-eighth as bright.

one-fourth as bright.

one-half as bright.

twice as bright.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which best describes the image of a concave mirror when the object is located somewhere between the focal point and twice the focal-point distance from the mirror?

virtual, upright, and magnification greater than one

real, inverted, and magnification less than one

virtual, upright, and magnification less than one

real, inverted, and magnification greater than one

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When red light and green light shine on the same place on a piece of white paper, the spot appears to be

yellow.

brown.

white.

black.

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