Light
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Rectilinear Propagation and Reflection
SubtopicRectilinear Propagation and Reflection under Light for Grade 7 CBSE.
Preview questions (no answers)
- 1.
The image formed by a pinhole camera is upside down because:
A.Light travels in straight lines
B.Light reflects off the box
C.The pinhole acts as a mirror
D.Light bends inside the camera
- 2.
The angle between the normal and the reflected ray is called the:
A.Angle of incidence
B.Angle of reflection
C.Complementary angle
D.Refracted angle
- 3.
Which of the following describes the path of light correctly?
A.Light travels in curved paths
B.Light travels in zigzag paths
C.Light travels in straight lines
D.Light does not travel in a specific path
Download the worksheet for Light - Rectilinear Propagation and Reflection to practice offline. It includes additional chapter-level practice questions.
Images Formed by Plane Mirrors
SubtopicImages Formed by Plane Mirrors under Light for Grade 7 CBSE.
Preview questions (no answers)
- 1.
In a plane mirror, the distance of the image from the mirror is always _____ the distance of the object from the mirror.
A.Greater than
B.Less than
C.Double
D.Equal to
- 2.
The property of light by which it travels in a straight path is called:
A.Lateral propagation
B.Rectilinear propagation
C.Curvilinear propagation
D.Reflection
- 3.
Which of these mirrors is most commonly used in a dressing table to see our face?
A.Convex mirror
B.Concave mirror
C.Plane mirror
D.Parabolic mirror
Download the worksheet for Light - Images Formed by Plane Mirrors to practice offline. It includes additional chapter-level practice questions.
Spherical Mirrors: Concave and Convex
SubtopicSpherical Mirrors: Concave and Convex under Light for Grade 7 CBSE.
Preview questions (no answers)
- 1.
A spherical mirror is basically a part of a:
A.Square
B.Triangle
C.Hollow sphere
D.Solid cylinder
- 2.
What happens to the size of the image in a concave mirror as the object is moved closer to the focus from a far distance?
A.It stays the same size
B.It gets smaller
C.It gets larger
D.It disappears
- 3.
The nature of the image formed by a plane mirror is virtual and erect. Which other mirror always forms a virtual and erect image?
A.Concave mirror
B.Convex mirror
C.Bifocal mirror
D.None
Download the worksheet for Light - Spherical Mirrors: Concave and Convex to practice offline. It includes additional chapter-level practice questions.
Images Formed by Lenses
SubtopicImages Formed by Lenses under Light for Grade 7 CBSE.
Preview questions (no answers)
- 1.
How many spherical surfaces does a typical lens have?
A.Only one
B.At least one
C.Always three
D.None
- 2.
An image formed by a lens which is upside down compared to the object is called:
A.Erect
B.Inverted
C.Virtual
D.Lateral
- 3.
Which of these objects works on the principle of a convex lens?
A.Car side mirror
B.Shaving mirror
C.Magnifying glass
D.Plain window glass
Download the worksheet for Light - Images Formed by Lenses to practice offline. It includes additional chapter-level practice questions.
Dispersion of Light and Rainbows
SubtopicDispersion of Light and Rainbows under Light for Grade 7 CBSE.
Preview questions (no answers)
- 1.
To observe a rainbow, where should the sun be located relative to the observer?
A.Directly in front
B.Behind the observer
C.High above in the clouds
D.Hidden behind the rain
- 2.
Which color is found between Blue and Violet?
A.Green
B.Indigo
C.Orange
D.Red
- 3.
Which of the following colors has the shortest name in the VIBGYOR list?
A.Indigo
B.Violet
C.Red
D.Orange
Download the worksheet for Light - Dispersion of Light and Rainbows to practice offline. It includes additional chapter-level practice questions.