REVIEW - 2ND QUARTER (SCIENCE 10)

An image that you can see created when light rays reflected from a mirror “seem” to diverge.

• Real image

• Fake image

• Virtual image

• Digital image

Which of the following types of UV rays cause the greatest damage to skin?

• UVA

• UVB

• UVC

• All of the above

What waves used by cops to test the speed of your car with RADAR?

• Ultraviolet

• Infrared

• Radio

• Microwaves

UV rays are type of EM wave coming from the sun that carries high amount of radiation which may harm our skin. Which of the following is NOT protective measures in lessening the amount of UV rays received by our skin?

• Go out from your house from 10 AM to 3 PM.

• Use eyeglasses to protect our eyes.

• Apply sunscreen with an SPF 15 or higher every two hours.

• Wear light-colored shirts during summer.

Convex mirrors are known as diverging mirror since it diverges light when it strikes on its reflecting surface. Which of the following might be the characteristic of the image formed in convex mirrors?

• Real, inverted, and larger

• Virtual, upright, and same size

• Virtual, upright, and smaller

• Real, upright and larger

Why do you not see an image when light reflects off a rough surface?

• Because not enough light is not reflected.

• Because the reflection is regular

• Because the reflection is diffuse

• Because the law of reflection does not apply

He believed that light is composed of oscillating magnetic and electric field which results to a chain of waves.

• James Clerk Maxwell

• Thomas Edison

• Alexander Grahambell

• Louis de Broglie

If you are wearing a yellow shirt, what is true of the light that strikes it?

• Yellow light is absorbed; Everything else are reflected.

• Yellow light is reflected; Everything else are absorbed.

• All colors are reflected

• All colors are absorbed

The image produced by the camera looks curvy inward at the edges of the pictures. Which type of optical distortion is represented by this example?

• Barrel distortion

• Chromatic distortion

• Waveform distortion

• Pincushion distortion

Which explains why the fork looks broken when submerge into a glass of water?

• Light can't pass through the glass.

• The wavelength of light lengthens.

• The number of light increases when going through water.

• Light is refracted at an angle.