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A ray of light travelling

How would I figure out the answer to this question?A critical angle of 24.4 degrees applies to: a) light travelling from air
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2. asked by Liz
3. 685 views
Would the answer be b)? diamond into air?A critical angle of 24.4 degrees applies to: a) light travelling from air into diamond
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2. asked by Liz
3. 1,251 views
A critical angle of 24.4 degrees applies to:a) light travelling from air into diamond b) light travelling from diamond into air
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2. asked by Liz
3. 561 views
A car travelling at 60km/hr started a journey travelling in an oppsite direction to his destination.After travelling for 35min
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2. asked by Collins
3. 929 views
A ray of light travelling in air strikes the water surface at an Angle of 30 degree calculate the Angle of light refraction if
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2. asked by vikas
3. 1,132 views
Two spaceships are flying toward one another at speeds of 0.5 c. Each ship will see the light from the other ship travelling at:
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2. asked by oyebodegoldencity
3. 114 views
A light hangs 15 ft. directly above a straight walk on which a man 6 ft. tall is walking. How fast is the end of the man's
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2. asked by Sandra
3. 6,809 views
You are approaching a star in a spaceship that is travelling at half the speed of light. how fast will the light from the star
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2. asked by Amy
3. 468 views
A 1200kg travelling east collides with another 1000kg car travelling north. If they are both travelling at 90km/h and the
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2. asked by Ebieride
3. 717 views
Two automobiles are travelling on intersecting roads. The first automobile is travelling northeast at 35 km/h. The second
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2. asked by Antia
3. 679 views