EASY
10th CBSE
IMPORTANT
Earn 100

The radius of curvature R and focal length F are related as R=f2.

50% studentsanswered this correctly

Important Questions on Reflection and Refraction

MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
If the value of v is positive, then the image is formed behind the mirror and is virtual and erect.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
If the value of v is negative, then the image is formed in front of the mirror and is real and inverted.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
If m > 1, size of image is greater than the size of object.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
When a concave mirror is placed in water, its focal length changes.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
Focal length of a concave mirror is positive.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
Convex mirror is used as shaving mirror.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
The rear view mirror of a vehicle is a concave mirror.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4B>Q 4
Convex mirror always produces a virtual, erect and diminished image.