Chapter-10 MCQs - AMU/JMI XI-Dip.Engg. Entrance Test

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Science Class X: Chapter-1,Chapter-2,Chapter-3,Chapter-4,Chapter-5,Chapter-6,Chapter-7,Chapter-8,Chapter-9, Chapter-10 Chapter-11 Chapter-12 Chapter-13 Chapter-14   
Chapter 10  : Light – Reflection and Refraction    Answers
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1. We can see the things around us because our eyes are sensitive to 
a) Light                      
b) Sound                    
c) Infrared rays       
d) All of the above

2. What happens when we see an object?

a) Light from our eyes goes to the object.

b) Light from the object enters our eyes.

c) Both (a) and (b) are possible

d) None of the above
3. When we see an object
a) Light is emitted by the object.
b) Light is reflected by the object
c) Both (a) and (b) are possible
d) None of the above

4. The main source of light on Earth is 

a) The Sun

b) The Moon

c) Thermal Power Plants

d) Electricity Substations

5. Which of the following statement is correct?

1. The Angle of Incident is the angle between the surface and the Incident ray

2. The Angle of Incident is the angle between the surface and the Normal 

3. The Angle of Reflection is the angle between the surface and the reflected ray

4. The Angle of Reflection is the angle between the surface and the Normal

a) 1 & 4 are correct

b) 2 & 3 are correct

c) All are correct

d) None are correct

6. in fig below

a) ∠BON <50 degree
b) ∠BON >50 degree
c) ∠BON =50 degree
d) None

7. in fig below

a) Equal to 40 degree

b) Less than 40 degree

c) Greater than 40 degree

d) Either less than or equal to 40 degree

8.  If the light is thrown normal to the mirror, then
1. It will be reflected back in the opposite direction
2. The angle of incident will be zero
3. The angle of reflection will be zero
a) 1 is true
b) 2 is true
c) 3 is true
d) All are true
9. Which of the following statement is correct?
1. Incident Ray, Reflected Ray and the Normal at the point of Incident lie in the different planes
2. Incident Ray, Reflected Ray and the Normal at the point of Incident lie in the same plane
3. Only the incident ray and the reflected ray lie in the same plane
a) 1 is correct
b) 2 is correct
c) 3 is correct
d) None is correct
10. A ray is incident to a mirror at angle of 60 degree with the normal at the point of incident, the angle between the reflected ray and the mirror surface is
(a) 90            (b) 60             (c) 45              (d) 30
11. The laws of reflection is applicable to 
a) The plane reflecting surface only
b) Spherical reflecting surface only
c) All types of reflecting surface
d) None of the above
12. The image formed by plane mirror is 
a) Always virtual and Erect
b) The size of image is equal to the size of object
c) The distance of image behind the mirror is same as the distance of the object from mirror
d) The image is laterally inverted    
e) All of the above.
13. The surface of spoon curved inwards can be approximated to
a) A plane mirror
b) a concave mirror
c) a convex mirror
d) None of the above
14. The surface of spoon budges  outwards can be approximated to
a) A plane mirror
b) a concave mirror
c) a convex mirror
d) None of the above
15. If we keep a convex lens in the sun 5cm away from a paper , it starts burning or starts giving smoke, then the focal length of the lens is approximately
a) 2.5cm
b) 5 cm
c) 10cm
d) None
16. Lenses form image by
a) Reflection of light
b) Refraction of light
c) Diffraction of light
d) Dispersion of light
17. A combination of two lenses of power + 2.0 D and + 0.25 D is equivalent to a single lens of power
a) + 2.00 D
b) +1.75 D
c) +2.25 D
d) +3.00 D
18: Additive property of the powers of lenses can be used to design lens systems consisting of several lenses in the design of 
a) Camera lenses 
b) Microscopes lenses 
c) Telescopes lenses 
d) All of the above
19. Light seems to travel in 
a) Straight Path
b) Zigzag
c) Curved Path
d) Circular Path
20. Type of image real or virtual, depending on 
a) the position of the object from mirror or lens
b) Position of the screen from mirror or lens
c) Type of mirror or lens
d) Type of object
21. Which of the following statement is true
X:The reflecting surfaces, of all types, obey the laws of refraction. 
Y:The refracting surfaces obey the laws of reflection.
a) X is true
b) Y is true
c) Both X & Y are true
d) Both X & Y are False
22. Mirror formula gives the relation between
a) Object distance and image distance from the mirror
b) Object distance and focal length of the mirror
c) Image distance and focal length of the mirror
d) Object distance, Image distance and focal length of the mirror
23.  The focal length of a spherical mirror is equal to 
a) its radius of curvature.
b) half its radius of curvature
c) twice its radius of curvature
d) None
24. The magnification produced by a spherical mirror is 
a) the ratio of the height of the object to the height of the image
b) the ratio of the height of the image to the height of the object
c) Is double of the height of the object
d) Is double of the height of the image
25. A light ray travelling obliquely from a denser medium to a rarer medium
a) bends away from the normal. 
b) toward the normal.
c) Passes without any bending.
d) Goes back with same path in opposite direction

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Science Class X: Chapter-1,Chapter-2,Chapter-3,Chapter-4,Chapter-5,Chapter-6,Chapter-7,Chapter-8,Chapter-9, Chapter-10 Chapter-11 Chapter-12 Chapter-13 Chapter-14   

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