Question # 1

The ratio of image height to object height is called:

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Linear magnification

Power

Refraction

Radius of curative

In a convex mirror the size of the image:

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Is smaller than the size of the object

Is greater than the size of the object

Depends upon the position of the object

Is equal to the size of the object

What does the term e-mail stand for:

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Emergency mail

Electronic mail

Extra mail

External mail

Concave mirror formula is given by:

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R = 2r

sin<i/sin<r

1/f=1/p+1/q

1/f=1/p-1/q

Hard disk is made of:

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Aluminium

Copper

Iron

Plastic

Bouncing back of light after striking the surface is called:

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Refraction

Reflection

Diffraction

Interference

____________ is always virtual in case of convex mirror.

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p

image

object

all of these

Critical angle for diamond is:

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60^o

24^o

26^o

49^o

An object is placed 6 cm away in front of a concave mirror that has 10 cm focal length. Determine the location of the image:

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-5 cm

-10 cm

-15 cm

-20 cm

The totally reflectiing prism one angle is of:

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45^o

90^o

180^o

120^o

The distance of the object from the mirror is represented by :

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q

p

m

F

Image formed on a camera is:

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real,invertred, and diminished

virtual, upright and diminshed

virtual, upright and magnified

real, inverted and magnified

Magnification of mirror is given by:

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m=p/q

m=q/p

m=pxq

m=1/p+q

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