Tiwari Academy Discussion

Tanishq1

Asked: November 26, 2020In: Class 6 Science

In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?

NCERT Solutions for Class 6 Science Chapter 11 Important NCERT Questions Class 6th Chapter 11 Light, Shadows and Reflections NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Tanishq1

Asked: November 26, 2020In: Class 6 Science

Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?

NCERT Solutions for Class 6 Science Chapter 11 Important NCERT Questions Class 6th Chapter 11 Light, Shadows and Reflections NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 3

Tanishq1

Asked: November 26, 2020In: Class 6 Science

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, firefly, moon.

NCERT Solutions for Class 6 Science Chapter 11 Important NCERT Questions Class 6th Chapter 11 Light, Shadows and Reflections NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 11

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Gargi

Asked: November 24, 2020In: Class 7 Science

The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 13

Poll

Gargi

Asked: November 24, 2020In: Class 7 Science

David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 12

Poll

Gargi

Asked: November 24, 2020In: Class 7 Science

A virtual image larger than the object can be produced by a

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 11

Gargi

Asked: November 24, 2020In: Class 7 Science

Which type of lens forms always a virtual image?

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

Gargi

Asked: November 24, 2020In: Class 7 Science

Which type of mirror can form a real image?

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 9

Gargi

Asked: November 24, 2020In: Class 7 Science

Give one use each of a concave and a convex mirror.

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8

Gargi

Asked: November 24, 2020In: Class 7 Science

State two differences between a convex and a concave lens.

NCERT Solutions for Class 7 Science Chapter 15 Important NCERT Questions 7th Chapter 15 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 7

In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?

Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?

The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be

David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be

A virtual image larger than the object can be produced by a

Which type of lens forms always a virtual image?

Which type of mirror can form a real image?

Give one use each of a concave and a convex mirror.

State two differences between a convex and a concave lens.

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