1. The unit of resistivity is?
(A) Aom-meter
(B) Aom / meter
(C) meter
(D) None of these
2. The device for generating current is called?
(A) ammeter
(B) galvanometer
(C) generator
(D) meter
3. Is a person with myopia defect in glasses?
(A) convex lens
(B) concave lens
(C) bifocal lens
(D) cylindrical lens
4. Does the person with long-sightedness have glasses?
(A) concave lens
(B) Bifocal lens
(C) convex lens
(D) cylindrical lens
5. How does pupil come in bright light?
(A) big
(B) small
(C) No change
(D) None of these
6. How does pupil come in strong light?
(A) big
(B) small
(C) No change
(D) None of these
7. Can eyes with far-sightedness be seen clearly?
(A) Nearby objects
(B) Big items
(C) distant objects
(D) None of these
8. Which point in the human eye is not sensitive to light, is called?
(A) Yellow Point
(B) blind point
(C)near point
(D) focal point
9. In the human eye?
(A) concave lens
(B) convex mirror
(C) convex lens
(D) concave mirror
10. Does the sun appear when rising and setting?
(A) Red
(B) Blue
(C) Black
(D) yellow
11. What is the approximate time difference between the actual sunset and the virtual sunset?
(A) 2 minutes
(B) 1 minute
(C) 4 minutes
(D) 3 minutes
12. What type of spectrum is the rainbow?
(A) Natural Spectrum
(B) Artificial spectra
(C) Artificial spectra and natural spectra
(D) All the statements are true
13. What does the color of the sky look like when traveling by air in the sky at high altitude?
(A) Red
(B) Black
(C) yellow
(D) Blue
14. Which part of the eye is the reflection of an object?
(A) cornea
(B) Retina
(C) Iris
(D) pupil
15. What is the unit of magnetic field?
(A) Newton
(B) Tesla
(C) ampere
(D) meter
16. What type of current is obtained from a dynamo?
(A) Direct Section
(B) alternating current
(C) both streams
(D) None of these
17. What type of magnet is used in commercial motors?
(A) Permanent magnet
(B) umbilical magnet
(C) electromagnet
(D) Common rod magnet
18. What are the two important parts of human beings in which magnetic field must be generated?
(A) arms and legs
(B) muscles and heart
(C) Heart and brain
(D) Eye and visual system 1
19. What material rods are often used to make electromagnets?
(A) Steel
(B) malleable iron
(C) Brass
(D) None of these
20. Who discovered electromagnetic induction?
(A) Maxwell
(B) Fleming
(C) Faraday
(D) ampere
ANSWER KEY
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
A | C | B | C | B | B | C | B | C | A |
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
A | A | B | B | B | A | C | C | B | C |