WorksheetsClass 10 Physics Quiz #1
Total questions: 10
Worksheet time: 8mins
A mirror having focal length –15 cm is _________________
Plane mirror
Concave mirror
Convex mirror
None of these
Assertion: For observing the traffic at the hairpin bend in the mountains a plane mirror is preferred over convex or concave mirror.
Reason: A convex mirror has a much larger field view than a plane mirror or a concave mirror.
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
Assertion is true but Reason is false.
Assertion is false but Reason is true.
Which of the following characteristics are correct for the image formed in a plane mirror?
I. Upright
II. Inverted
III. Real
IV. Same size as the object
V. Virtual
I, II, III
I, III, IV
I, IV, V
III, IV, V
Why does the straw appear to be bent?
light is reflected
light is absorbed
light is turned
light is refracted
A positive sign in the value of magnification indicates that the image is
real
virtual
enlarged
near
A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it
goes straight into the second medium
bends towards the normal
bends away from the normal
does not enter at all
Reflection is when light...
Bends
Bounces
Absorbs
transmits
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
Which figure represents the path light takes through a converging lens?
