Online Test of Chapter 10 Light Reflection and Refraction MCQ Class 10th Science
Question :-
1.The Laws of reflection are valid for
(i)Plane surfaces
(ii)Any Reflecting surfaces
(iii)Curved Reflecting surfaces
(iv)None of these
2.The image formed by plane mirror is
(i)Always erect
(ii)Always Virtual
(iii)Of same size
(iv)All of these
3. The focus of convex mirror is
(i)Virtual point
(ii)Real point
(iii)In front of mirror
(iv)At pole of mirror
4. Which of the following is diverging mirror?
(i)A plane mirror
(ii)A concave mirror
(iii)A convex mirror
(iv)Can be concave and convex mirror
5.The image formed of an object on center of curvature of concave mirror is placed at?
(i)Focal length
(ii)Twice of focal length
(iii)Between pole and focus
(iv)Beyond center of curvature
6.A Virtual image is formed by a mirror of an object which is less than the size of object. Which mirror this is supposed to be?
(i)Concave Mirror
(ii)Convex Mirror
(iii)Plane Mirror
(iv)Both (i) and (ii)
7.A point object is kept at a distance of 15 cm in front of a small concave mirror having radius of curvature 30cm. The image will be formed at
(i)At focal length
(ii)On focus
(iii)At center of curvature
(iv)At infinity
8.The following figure shows incident rays and reflected rays. Figure out from which mirror they have been reflected?
(i)Convex Mirror
(ii)Concave mirror
(iii)Plane mirror
(iv)May be concave or convex
9. Which mirror is suitable for dentist’s equipment to get a better view of Cavity?
(i)Concave Mirror
(ii)Convex Mirror
(iii)Plane Mirror
(iv)Any (i) or (ii)
10. Which mirror is best to use as rear view mirror for vehicles?
(i)Convex Mirror
(ii)Concave Mirror
(iii)Plane Mirror
(iv)All of these
Chapter - 10 Light Reflection and Refraction Test 1 | Class - 10th Science
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Question 1 of 10
1. Question
The Laws of reflection are valid for
Correct
The laws of reflection are valid for all surfaces.
Incorrect
The laws of reflection are valid for all surfaces.
-
Question 2 of 10
2. Question
The image formed by plane mirror is
Correct
The image formed by plane mirror is always virtual, erect and of same size.
Incorrect
The image formed by plane mirror is always virtual, erect and of same size.
-
Question 3 of 10
3. Question
The focus of convex mirror is
Correct
Since, focus is a point behind convex mirror, it is a virtual point.
Incorrect
Since, focus is a point behind convex mirror, it is a virtual point.
-
Question 4 of 10
4. Question
Which of the following is diverging mirror?
Correct
A convex mirror is diverging mirror.
Incorrect
A convex mirror is diverging mirror.
-
Question 5 of 10
5. Question
The image formed of an object on center of curvature of concave mirror is placed at ?
Correct
The image formed behind at twice of focal length when object is at center of curvature of mirror.
Incorrect
The image formed behind at twice of focal length when object is at center of curvature of mirror.
-
Question 6 of 10
6. Question
A Virtual image is formed by a mirror of an object which is less than the size of object. Which mirror this is supposed to be?
Correct
Only convex mirror can form diminished,virtual and erect image.
Incorrect
Only convex mirror can form diminished,virtual and erect image.
-
Question 7 of 10
7. Question
The following figure shows incident rays and reflected rays. Figure out from which mirror they have been reflected ?
Correct
The mirror is convex mirror as the rays of light get diverged.
Incorrect
The mirror is convex mirror as the rays of light get diverged.
-
Question 8 of 10
8. Question
A point object is kept at a distance of 15 cm in front of a small concave mirror having radius of curvature 30 cm. The image will be formed at
Correct
The image will be formed at At infinity .
Incorrect
The image will be formed at At infinity .
-
Question 9 of 10
9. Question
Which mirror is suitable for dentist’s equipment to get a better view of Cavity ?
Correct
Concave mirror give enlarged view.
Incorrect
Concave mirror give enlarged view.
-
Question 10 of 10
10. Question
Which mirror is best to use as rear view mirror for vehicles?
Correct
The Convex Mirror is best to use as view mirror for vehicles .
Incorrect
The Convex Mirror is best to use as view mirror for vehicles .