1) Light passes in a straight line. a) TRUE b) FALSE 2) White light is composed of how many colours? a) FOUR b) SEVEN c) SIX d) ONE 3) An image which can be obtained on a screen is called- a) reflection b) real image c) virtual image 4) A concave lens always forms a virtual image. a) TRUE b) FALSE 5) When used to see objects magnified,the convex lens is called- a) concave lens b) magnified lens c) magnifying glass

LIGHT

autors:
Drukāt
Iegult

Līderu saraksts

Vizuālais stils

Iespējas

Pārslēgt veidni

Atjaunot automātiski saglabāto: ?