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Team 2
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Teams
Name
Score
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heart
Other team wins 10 points!
Oops!
×
rocket
Go to first place!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
thief
Give points!
5
10
15
20
25
15
×
What causes myopia (nearsightedness)?
Eyeball is too long
Oops!
Check
Okay!
Check
×
banana
Go to last place!
Oops!
×
gift
Win 5 points!
Okay!
×
gift
Win 25 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
Reflects light to a small point, often used in flashlights or car headlights.
CONCAVE
Oops!
Check
Okay!
Check
15
×
A concave lens has a focal length of 10 cm. An object is placed 20 cm in front of the lens. Find the image distance.
20 CM
Oops!
Check
Okay!
Check
×
monster
Reset all scores!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
A concave lens has a focal length of 8 cm. An object is placed 16 cm in front of the lens. Find the image distance.
16 CM
Oops!
Check
Okay!
Check
15
×
A concave lens has a focal length of 4 cm. An object is placed 8 cm in front of the lens. Find the image distance.
8 CM
Oops!
Check
Okay!
Check
15
×
Installed at street corners to help pedestrians see around blind spots.
CONVEX
Oops!
Check
Okay!
Check
15
×
When you hold this mirror close to your face, your reflection looks bigger.
CONCAVE
Oops!
Check
Okay!
Check
15
×
A concave lens has a focal length of 20 cm. An object is placed 40 cm from the lens. Find the image distance.
40 CM
Oops!
Check
Okay!
Check
15
×
What type of lens corrects astigmatism?
cylindrical lens
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Okay!
Check
15
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A makeup artist uses this mirror to see a magnified reflection of her face.
CONCAVE
Oops!
Check
Okay!
Check
15
×
Used in some stores for security to monitor large areas.
CONVEX
Oops!
Check
Okay!
Check
15
×
What lens corrects myopia?
concave lens
Oops!
Check
Okay!
Check
15
×
Presbyopia usually occurs due to:
Weaken ciliary muscles/ loses flexibility
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Check
Okay!
Check
×
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