WorksheetsYear 11 general questions.
Total questions: 15
Worksheet time: 8mins
Which of the following observations is not a consequence of the principle of the rectilinear propagation of light?
Diffraction patterns
Shadows
Eclipse
Images in a pinhole camera
Virtual image is one
Formed by the intersection of actual rays.
Which is not visible to the eyes.
Through which rays of light do not pass.
Which can be formed on a screen.
An opaque object can be seen because of the amount of light it
Emits from its surface.
Disperses to the observer.
Reflects to the observer .
Transmit through it.
When the moon comes between the sun and the earth such that they are collinear, there is
Eclipse of the moon
Eclipse of the sun
Eclipse of the earth
Total darkness on the earth surface
An object 3.00m high is placed at a distance of 7.5m from a pinhole camera. If the image height is 6.00cm, what is the distance of the film from the pinhole?
3.75cm
7.50cm
15.00cm
30.00cm
A body that produces its own light is said to be
Luminous
Opaque
Translucent
Transparent
Which of the following is not self luminous?
Incandescent bulbs.
Lighted candle .
The moon .
The sun.
The image of any real object formed by a diverging mirror is not
Inverted
Erect
Diminished
Virtual
A concave mirror used as a shaving mirror should
Have a virtual focal length.
Be narrow.
Have small curvature.
Have a long focal length.
The image of an object placed at the centre of curvature of a converging mirror is
At the centre of curvature.
At the principal focus.
Inverted and virtual.
Magnified and real.
Convex spherical mirrors are preferred to plane mirrors as driving mirrors because
The image produced is upright and clearly visible.
It provides a wider field of view.
The image produced is erect and magnified.
The image produced is not literally inverted.
An object is placed 30cm in front of a concave mirror of focal length 20cm. Calculate the distance between the object and the image.
90cm
40cm
30cm
20cm
A man 7.4m tall stands 3m in front of a plane mirror 1m long. What is the size of his image?
5.22m
1.74m
0.74m
0.58.
A ray of light is incident normally on an air glass interface. What is its angle of refraction?
90°
60°
30°
0°
A ray of light is incident on a plane mirror at an angle of 30°. Calculate the angle which the reflected ray makes with the surface of the mirror.
120°
60°
90°
180°
