Question:
Define the principal focus of a concave mirror.
Define the principal focus of a concave mirror.
Updated On: Jan 13, 2026
Hide Solution
Verified By Collegedunia
Solution and Explanation
Light rays that are parallel to the principal axis of a concave mirror converge at a specific point on its principal axis after reflecting from the mirror. This point is known as the principal focus of the concave mirror.
Was this answer helpful?
0
0
Top Questions on Spherical Mirrors
- A concave mirror produces an image of an object such that the distance between the object and image is 20 cm. If the magnification of the image is \( -3 \), then the magnitude of the radius of curvature of the mirror is:
- JEE Main - 2025
- Physics
- Spherical Mirrors
- (ii) An object at a distance of 16 cm from a spherical mirror forms a virtual image at a distance of 12 cm behind the mirror. Determine the magnification of the image and type of the mirror.
- UP Board X - 2025
- Science
- Spherical Mirrors
- Image of an object formed by a concave mirror is real and of the size of the object. The object is placed -
- UP Board X - 2025
- Science
- Spherical Mirrors
- With the help of a suitable ray diagram, derive the formula \( \frac{1}{v} + \frac{1}{u} = \frac{1}{f} \) for a concave mirror.
- UP Board XII - 2025
- Physics
- Spherical Mirrors
- The length of the image formed by a concave mirror:
- UP Board XII - 2025
- Physics
- Spherical Mirrors
View More Questions
Questions Asked in CBSE X exam
- Find 'mean' and 'mode' of the following data : Frequency Distribution Table
Class 0 – 15 15 – 30 30 – 45 45 – 60 60 – 75 75 – 90 Frequency 11 8 15 7 10 9 - CBSE Class X - 2025
- Statistics
Leaves of the sensitive plant move very quickly in response to ‘touch’. How is this stimulus of touch communicated and explain how the movement takes place?
- CBSE Class X - 2025
- Plant Biology
- Two statements are given below. They are Assertion (A) and Reason (R). Read both the statements carefully and choose the correct option. Assertion (A): Rupees is accepted as medium of exchange in India.
Reason (R): The World Bank legalises the use of rupee as a medium of payment in India.- CBSE Class X - 2025
- Money and Credit
- Two statements are given below. They are Assertion (A) and Reason (R). Read both the statements carefully and choose the correct option:
Assertion (A): Rupees is accepted as medium of exchange in India.
Reason (R): The World Bank legalises the use of rupee as a medium of payment in India.- CBSE Class X - 2025
- Money and Credit
Read the following sources of loan carefully and choose the correct option related to formal sources of credit:
(i) Commercial Bank
(ii) Landlords
(iii) Government
(iv) Money Lende- CBSE Class X - 2025
- Money and Credit
View More Questions