EASY
Stage 1 & 2
IMPORTANT
Earn 100

The focal length of the thick lens having greater radius of curvature in comparison to the thin lens will be

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Important Questions on Light Reflection, Refraction and Human Eye

EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 9
Which one is not a primary colour?
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 10
The image formed by an object due to long sightedness
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 11
Astigmatism occurs when the cornea does not have a truly spherical shape. This defect can be rectified by the use of a
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 12
Which one represents the unit of refractive index?
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 13
Planets do not twinkle like stars, because
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 14
When an object approaches a convex lens, the size of the image formed will
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 15
Which one of the following denotes the unit of power of a lens?
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Light Reflection, Refraction and Human Eye>Target Exercise>Q 1
The true statement is