## Physics MCQ on Mirror Formula Based for NEET, JEE, Medical and Engineering Exam 2021

MCQ on Mirror: Previous trends reveal that NEET/JEE aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations.

In this post we are providing you MCQ on Mirror Formula Based, which will be beneficial for you in upcoming NEET, AIIMS, JEE, WBJEE, Medical and Engineering Exams.

## MCQ on Mirror

Q1. An object 2 cm high is placed at a distance of 16 cm from a concave mirror, which produces 3 cm high inverted image. What is the focal length of the mirror?
a) -10
b) -9.6 cm
c) 9.6 cm
d) 8 cm

Q2. A lens having a focal distance of 30 cm is placed in front of an object, which is located at 1m from it. Where is an image of the object located?
a) 40 cm
b) 42.85 cm
c) 52 cm
d) 60 cm

(b) 42.85 cm

Q3. An object is placed at infinity in front of the convex mirror of radius of curvature 40 cm. How far is the image behind the mirror?
a) 20 cm
b) 25cm
c) 30 cm
d) 35cm

(a) 20 cm

Q4. Convex mirror is used to form an image of the object. Which of the following statements is wrong?
a) The image is erect
b) The image is diminished in size
c) The image is real
d) The image lies between the pole and the focus

(c)The image is real

Q5. The focal length of a concave mirror is f and the distance from the object to the principle focus is x. The ratio of the size of the image to the size of the object is _________.
a) (f + x)/f
b) f/x
c) f^2/x^2

(b) f/x

Q6. A convex mirror of focal length f forms an image which is 1/n times the object. The distance of the object from the mirror is _________.
a) (n-1)f
b) (n-1/n) f
c) (n+1/n) f
d) (n+1) f

(a) (n-1) f

Q7. In a concave mirror experiment, an object is placed at a distance x1 from the focus and the image is formed at a distance x2 from the focus. The focal length of the mirror would be _________.
a) x1x2
b) (x1+x2)/2
c) √x1x2
d) √x1/x2

(c) √x1x2

Q8. An erect image 3 times the size of the object is obtained with a concave mirror of radius of curvature 36 cm. What is the position of the object?
a) -12 cm
b) 5 cm
c) 10 cm
d) -21 cm

(a) -12 cm

Q9. Consider a concave mirror of focal length 50 cm. Where should the object be placed so that its image is twice the size of the object and inverted ?
a) 60 cm
b) 70 cm
c) 75 cm
d) 55 cm

(c) 75 cm

Q10. The image formed by a convex mirror of focal length 30cm is a quarter of the object. What is the distance of the object from the mirror?
a) -90 cm
b) 60cm
c) -75cm
d) -60cm

(a)-90 cm