Class 10 Reflection of Light

What particles make up light?

• Photons
• Neutrons
• Protons

Light behaves like both a particle and a ______.

• Mass
• Wave
• Current

What does reflection mean?

• bending light
• bouncing light

What does refraction mean?

• bending light
• bouncing light

What is this a picture of?

• reflection
• refraction

Focal length of plane mirror is

• At infinity

• Zero

• Negative

• None of these

A concave mirror gives real, inverted and same size image if the object is placed

• At F

• At infinity

• At C

• Beyond C

A concave mirror gives virtual, refract and enlarged image of the object but image of smaller size than the size of the object is

• At infinity

• Between F and C

• Between P and F

• At E

A ray of light that strikes a plane mirror PQ at an angle of incidence of 30^o, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is:

• 30°

• 45°

• 60°

• 90°

Which of the following is a concave mirror?

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