Physics Questions Practice Question and Answer
8 Q: What is the unit of the physical quantity "Inductance"?
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62e9fd23ceafbe581b747c99- 1weberfalse
- 2faradfalse
- 3henrytrue
- 4teslafalse
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Answer : 3. "henry"
Q: Most waves used for communication purposes rely on geostationary satellites because _____
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63c7baad1c47ef334bdd8984- 1They cannot transmit data at long distances due to curvature of the earthtrue
- 2They are reflected by the atmospherefalse
- 3They are very cheapfalse
- 4It does not occupy space on the earth’s surfacefalse
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Answer : 1. "They cannot transmit data at long distances due to curvature of the earth"
Explanation :
Explanation: Most communication waves cannot transmit data accurately over long distances due to the curvature of the earth. They can only do so in the line of sight. However, they are not reflected by the ionosphere like radio waves and can be relayed to a wide area using geostationary satellites.
Q: Solar cells convert solar energy into what energy?
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60b4b725517f2874d53f5d0d- 1Electrical energytrue
- 2kinetic energyfalse
- 3mechanical energyfalse
- 4Thermal energyfalse
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Answer : 1. "Electrical energy"
Q: An object starts moving in its steady state. It attains a speed of 5 m / s in 2 seconds. What will be its acceleration?
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5f869de3e5230d620733716e- 12.5 m/sec2true
- 22 m/sec2false
- 31 m/sec2false
- 40.4 m/sec2false
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Answer : 1. "2.5 m/sec2"
Q: What is the unit of magnetic field?
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5fe45b5600c5087b4d132a05- 1Newtonfalse
- 2Teslatrue
- 3Amperefalse
- 4meterfalse
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Answer : 2. "Tesla"
Q: Which of the person with long vision defect has glasses?
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5fe41d33438750744e325bce- 1concave lensfalse
- 2Bifocal lensfalse
- 3convex lenstrue
- 4cylindrical lensfalse
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Answer : 3. "convex lens"
Q: Can eyes with vision be seen clearly?
1328 05fe423abeee69a704db5d457
5fe423abeee69a704db5d457- 1Nearby objectsfalse
- 2Big itemsfalse
- 3distant objectstrue
- 4None of thesefalse
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Answer : 3. "distant objects"
Q: In the human eye?
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5fe4599257a5647868b5e752- 1In the human eye?false
- 2convex mirrorfalse
- 3convex lenstrue
- 4concave mirrorfalse
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