CBSE Class 10 Science Chapter 10 Light Reflection and Refraction Multiple Choice Questions with Answers. MCQ Class 10 Science Light Reflection and Refraction with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Light Reflection and Refraction MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 4
Question 1:
The nature of the image formed by concave mirror when the object is placed between the focus (F) and centre of curvature (C) of the mirror observed by us is
(a) real, inverted and diminished
(b) virtual, erect and smaller in size
(c) real, inverted and enlarged
(d) virtual, upright and enlarged
Correct Answer – (C)
Question 2 :
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at
(a) 25 cm
(b) 40 cm
(c) 10 cm
(d) At infinity
Correct Answer – (C)
Question 3 :
An object at a distance of + 15 cm is slowly moved towards the pole of a convex mirror. The image will get
(a) shortened and real
(b) enlarged and real
(c) enlarge and virtual
(d) diminished and virtual
Correct Answer – (D)
Question 4 :
The unit of power of lens is
a. Metre
b. Centimeter
c. Diopter
d. M-1
Correct Answer – (C)
Question 5 :
a. Atmospheric reflection
b. Total reflection
c. Atmospheric refraction
d. Total refraction
Correct Answer – (C)
Question 6 :
The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of object should be
(a) at the focus
(b) at the centre of curvature
(c) between focus and centre of curvature
(d) beyond centre of curvature
Correct Answer – (C)
Question 7 :
A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by
(a) 15
(b) 20
(c) 30
(d) 0
Correct Answer – (D)
Question 8 :
a. 20cm
b. 10cm
c. 40cm
d. 5cm
Correct Answer – (B)
Question 9 :
Convex lens focus a real, point sized image at focus, the object is placed
a. At focus
b. Between F and 2F
c. At infinity
d. At 2F
Correct Answer – (C)
Question 10 :
a. Optically rarer
b. Optically denser
c. Optical density
d. Refractive index
Correct Answer – (B)
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