Biology Genius

Trayi Goyal

Asked: October 20, 2020In: Class 10

Why do we prefer a convex mirror as a rear-view mirror in vehicles?

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-168 Questions No-4

Trayi Goyal

Asked: October 20, 2020In: Class 10

Find the focal length of a convex mirror whose radius of curvature is 32 cm.

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-171 Questions No-1

Trayi Goyal

Asked: October 20, 2020In: Class 10

A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-171 Questions No-2

Trayi Goyal

Asked: October 20, 2020In: Class 10

A ray of light travelling in air enters obliquely into water. Does the light ray bend towards the normal or away from the normal? Why?

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-176 Questions No-1

Trayi Goyal

Asked: October 20, 2020In: Class 10

Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s–1.

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-176 Questions No-2

Biology Genius

Why do we prefer a convex mirror as a rear-view mirror in vehicles?

Find the focal length of a convex mirror whose radius of curvature is 32 cm.

A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?

A ray of light travelling in air enters obliquely into water. Does the light ray bend towards the normal or away from the normal? Why?

Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s–1.

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