Question

Q11 Regular mirror are actually a plane mirror i. e a mirror
without inward and outward curves. These mirror can be found almost anywhere from bathroom to hallways to building exteriors. Plane mirror creates an upright, virtual and laterally inverted image of the same size as the object and at the same distance as the object. The ratio of the size of the image to the size of object is termed as the
‘magnification'.

Give the answer on the basis of the passage
1) Plane mirror produces magnification of.
1
a) 1
b) 3
c) 2
d) 4

2) If a person of height 1.45 metre stands in front of a plane mirror,he/she would get image height
1
a) 145 cm
b) 1450mm
c) 1.45mm
d) 14.5 cm
3) A car is parked roadside, A truck passes it at a speed of 5 m/s. What would be the speed at which the image of the car appear to move away from the truck has viewed in the real view mirror of the truck?

a) 1 m/s
b) 2.5 m/s
c) 5 m/s
d) 10 m/s

4) A person is moving infront of mirror with speed 2m/s what is the speed of image observed by a person with respect to mirror?
a) 2m/s
b) 4m/s
c) 1m/s
d) 8m/s




this is a science Q

Answer 1

Answer:

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