Practice Question and Answer
3 4 Q:
5f6da2bdec13dd748004c084 5 Q:
608be1128899c91069d3626b 4 Q:
63494cdf4557352856179629
Q: What makes a virtual image of a real object?
1 05f6da2bdec13dd748004c084
5f6da2bdec13dd748004c084- 1convex mirrorfalse
- 2plane mirrortrue
- 3concave mirrorfalse
- 4All of thesefalse
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Answer : 2. "plane mirror"
Q: Water flows into a tank which is 200 m long and 150 m wide, through a pipe of cross-section (0.3m x 0.2m) at 20 km/h. In what time will the water level be 8 m?
1 0608be1128899c91069d3626b
608be1128899c91069d3626b- 1450false
- 2500false
- 3200true
- 4250false
- 5350false
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Answer : 3. "200 "
Q: Which is the most correct translation of-
He had a narrow' escape.
1 063494cdf4557352856179629
63494cdf4557352856179629He had a narrow' escape.
- 1वह बच गया था।false
- 2वह इतना सा बच गया।false
- 3वह बाल-बाल बच गया।true
- 4वह थोड़े से कोने से बच गया।false
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