science quis

how does the light travels

• in strate line

• in zikzak format

• in slanting line

• it depends

which of the object will let the light pass

• glass

• wall

• tree

• blankit

what is the natural pinhole camera

• tree

• grass

• wall

any pollished or shiny place can act as a

• mirror

• trance parrent place

• opake place

• all the above

An image which can be obtained on a screen is called

• real image

• vertual image

• erect image

• non of the above

what is the natural pinhole camera and how does it works

Image formed by a convex mirror is

• erect virtual and smaller in size

• bigger image in size

• nun of the above

• all of the above

what is a shadow explain

what is trance parent object explain

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