Write one use of a convex mirror
WBBSE
Class X
Physical Science
Light – Reflection and Refraction
01 Mark
2023
A convex mirror is commonly used as a rearview mirror in vehicles.
Related Questions
More WBBSE Easy level questions
1/12
Q.
A ray parallel to the principal axis of a concave mirror follows which path after...
A.
A ray that is parallel to the principal axis of a concave...
Q.
In the case of refraction of white light through a prism, the light of colour...
A.
c. red Explanation: Deviation depends on the refractive index of the medium...
Q.
Whether a concave lens is called a converging or diverging lens? Answer with reason.
A.
A concave lens is called a diverging lens. Reason: When parallel rays...
Q.
Write Snell’s law of refraction of light
A.
Snell's law : The ratio of the sine of the angle of...
Q.
Where is the image formed if the object is placed in between f and 2f...
A.
beyond 2f
Q.
State whether the refractive index of a medium would increase or decrease if the angle...
A.
The refractive index of a medium is independent of the angle of...
Q.
If the refractive indices of a medium for red and blue colours of light are...
A.
μr < μb
Q.
Which type of mirror is used in the headlight of a motor car?
A.
A concave mirror is used in the headlight of a motor car.
Q.
Is it possible to form a virtual image of shorter length than the length of...
A.
Yes, it is possible to form a virtual image of a shorter...
Q.
Dentists use (a) convex mirror (b) convex lens (c) concave mirror (d) concave lens
A.
(c) Concave mirror Explanation: Dentists use concave mirrors because they produce a...
Q.
The wavelength of which of the following is greater than that of visible light?
A.
(b) Infrared ray Explanation: Infrared rays have a longer wavelength than visible...
Q.
If the radius of curvature of a concave mirror is 20 cm, then focal length...
A.
(c) 10 cm Explanation: The focal length (f) of a concave mirror...