Physics Questions Practice Question and Answer
8 Q: Match the columns.
Column - A Column-B
I. Electric current a. Henry
II. Potential difference b. Farad
III. Gapacitance c. Volt
IV. inductance d. Ampere
1022 0649a9c63dad6f2e01f6df4c3
649a9c63dad6f2e01f6df4c3- 1i-a, ii-b, iii-c, iv-dfalse
- 2i-b, ii-a, iii-c, iv-dfalse
- 3i-d, ii-c, iii-b, iv-atrue
- 4i-a, ii-c, iii-b, iv-dfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "i-d, ii-c, iii-b, iv-a"
Explanation :
The columns are a correct match.
I. Electric current - Ampere
II. Potential difference - c. Volt
III. Gapacitance - b. Farad
IV. inductance - a. Henryd.
Q: The principle on which optical fiber works is
1017 05f746ec3a921aa16e68c3704
5f746ec3a921aa16e68c3704- 1Full internal reflectiontrue
- 2Refractionfalse
- 3Scatteringfalse
- 4Deviationfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Full internal reflection"
Q: When ray of light goes from denser to rarer medium then it –
1012 06062c4df9cf7d827dcdcfcd2
6062c4df9cf7d827dcdcfcd2- 1Bends towards the normalfalse
- 2Bends away from the normaltrue
- 3Goes Straightfalse
- 4Reflected backfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Bends away from the normal "
Q: What is the unit of the physical quantity "Inductance"?
1006 062e9fd23ceafbe581b747c99
62e9fd23ceafbe581b747c99- 1weberfalse
- 2faradfalse
- 3henrytrue
- 4teslafalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "henry"
Q: The device for generating current is called?
1005 05fe41bea438750744e325552
5fe41bea438750744e325552- 1ammeterfalse
- 2Galvanometerfalse
- 3generatortrue
- 4meterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "generator"
Q: The observer hears a sound from the source which is moving away from the observer who is stationary. Determine the frequency of the sound
1004 063c8f650be373f6c954abbda
63c8f650be373f6c954abbda- 1It is halvedtrue
- 2It remains the samefalse
- 3It reaches infinityfalse
- 4It gets doubledfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "It is halved"
Explanation :
If the observer is moving away from the source ((Figure)), the observed frequency can be found: λs=vTo−voTovTs=(v−vo)Tov(1fs)=(v−vo)(1fo)fo=fs(v−vov).
Q: The light is a:
996 061655a273d260361529b02a7
61655a273d260361529b02a7- 1Transverse wavetrue
- 2Longitudinal wavefalse
- 3Bothfalse
- 4Nonefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Transverse wave "
Q: An object weights the maximum in:
996 061655a8fd881f96172321665
61655a8fd881f96172321665- 1Hydrogenfalse
- 2Vacuumtrue
- 3Airfalse
- 4Waterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice