Quiz: 10th Grade Physics Questions!
5 Questions
| Total Attempts: 2722
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Questions and Answers
- 1.The magnification produced by a mirror is 1/3, then the type of mirror is _____
- A.
Concave
- B.
Convex
- C.
Plane
- 2.An electric current through a metallic conductor produces _________ around it.
- A.
Heat
- B.
Light
- C.
Magnetic field magnetic field
- D.
Mechanical force
- 3.The field of view is maximum for ______
- A.
Plane mirror
- B.
Concave mirror
- C.
Convex mirror
- 4.An object is placed 25 cm from a convex lens whose focal length is 10 cm. The image distance is ________
- A.
50 cm
- B.
16.66 cm
- C.
6.66 cm
- D.
10 cm
- 5.From the following statement write down that which is applicable to a commutator.
- A.
Galvanometer uses commutator for deadbeat
- B.
Transformer uses commutator to step up voltage
- C.
Motor uses commutator to reverse the current
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