Physics Questions Practice Question and Answer
8 Q: The principle on which optical fiber works is
900 05f746ec3a921aa16e68c3704
5f746ec3a921aa16e68c3704- 1Full internal reflectiontrue
- 2Refractionfalse
- 3Scatteringfalse
- 4Deviationfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "Full internal reflection"
Q: Is the image formed by a plane mirror always?
899 05f6da46aec13dd748004ce67
5f6da46aec13dd748004ce67- 1virtual and vice versafalse
- 2Real and directfalse
- 3direct and virtualtrue
- 4Actualfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 3. "direct and virtual"
Q: Which is the force due to which the body is pulled towards the center of the earth?
897 05f8fcee93ca2d767b181e989
5f8fcee93ca2d767b181e989- 1Gravitational forcetrue
- 2Massfalse
- 3Momentumfalse
- 4impulsive forcefalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "Gravitational force "
Q: Controls the amount of light entering the eye?
891 05f6da4b2ff25c92a085bb8f2
5f6da4b2ff25c92a085bb8f2- 1Iristrue
- 2pupilfalse
- 3lensfalse
- 4side musclesfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "Iris"
Q: Which is the largest source of energy on earth?
888 060b4b317f2c446136b8b6a5c
60b4b317f2c446136b8b6a5c- 1Suntrue
- 2woodfalse
- 3Moonfalse
- 4Coalfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "Sun"
Q: In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?
886 064c38ae6bd3d254806859ebd
64c38ae6bd3d254806859ebd- 11935false
- 21924true
- 31930false
- 41919false
- Show Answer
- Workspace
- SingleChoice
Answer : 2. "1924"
Explanation :
1. In which year did Albert Einstein predict a new state of matter, Bose-Einstein condensate (BEC) in 1924, based on the quantum formulation given by Indian physicist Satyendra Nath Bose?
2. Bose–Einstein condensate (BEC) is a state of matter in which a group of boson particles are in the same quantum state.
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
886 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 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: According to the law of reflection of light -
886 05f6da417ff25c92a085bb0d5
5f6da417ff25c92a085bb0d5- 1The angle of incidence is greater than the angle of reflectionfalse
- 2The angle of incidence is equal to the angle of reflectiontrue
- 3The angle of incidence is smaller than the angle of reflectionfalse
- 4All the statements are truefalse
- Show Answer
- Workspace
- SingleChoice