Question 11 Mark$.........$ objects allows light to pass through them partially.AnswerTranslucent objects allows light to pass through them partially.View full question & answer→
Question 21 MarkFill in the blanks with appropriate words: This is a $.........$ on which the shadow is formed.AnswerThis is a screen on which the shadow is formed.View full question & answer→
Question 31 MarkFill in the blanks with appropriate words: A $.........$ is a dark outline of an opaque object that blocks light coming from a source.AnswerA shadow is a dark outline of an opaque object that blocks light coming from a source.View full question & answer→
Question 41 MarkPinhole camera produces $.........$ image.AnswerPinhole camera produces Inverted image.View full question & answer→
Question 51 Mark$.........$ object makes shadows.AnswerOpaque object makes shadows.View full question & answer→
Question 61 MarkFill in the blanks with appropriate words: Image formed by a plane mirror is $.........$.AnswerImage formed by a plane mirror is erect.View full question & answer→
Question 71 MarkWooden piece is a $.........$object. $($Translucent$/ $Opaque$)$.AnswerWooden piece is a Opaque object.View full question & answer→
Question 81 Mark$.........$ objects allows light to pass through them completely.AnswerTransparent objects allows light to pass through them completely.View full question & answer→
Question 91 MarkStars and sun are $.........$ source of light.AnswerStars and sun are Natural source of light.View full question & answer→
Question 101 MarkFill in the blanks with appropriate words: Opaque objects cast $.........$ shadows in morning and evening while $.........$ shadows at noon.AnswerOpaque objects cast big shadows in morning and evening while small shadows at noon.View full question & answer→
Question 111 MarkFill in the blanks with appropriate words: $.........$ objects cast no shadow.AnswerTransparent objects cast no shadow.View full question & answer→
Question 121 MarkFill in the blanks with appropriate words: Image formed by a pinhole camera is $.........$.AnswerImage formed by a pinhole camera is upside down.View full question & answer→
Question 131 MarkClean water is $.......... ($Transparent$/$ Translucent$/$ Opaque$).$AnswerClean water is Transparent.View full question & answer→
Question 141 MarkIf we cannot see through an object at all, it is an $.........$ object.AnswerIf we cannot see through an object at all, it is an Opaque object.View full question & answer→
Question 151 MarkButter paper is $.........$ object. $($Transparent$/$ Translucent$/$ Opaque$).$AnswerButter paper is Translucent object.View full question & answer→
Question 161 MarkMoon is $.........$ body. $($Luminous$/$ Non luminous$).$AnswerMoon is Non luminous body.View full question & answer→
Question 171 MarkA sheet of polythene is $.........$object. $($Luminous$/$ Non luminous$).$AnswerA sheet of polythene is Non luminous object.View full question & answer→
Question 181 MarkBy shadows, we may know about $.........$ of object. $($Shape$/$ Size$).$AnswerBy shadows, we may know about Shape of object.View full question & answer→
Question 191 MarkMoon reflects $.........$ light that falls on it.AnswerMoon reflects Sun light that falls on it.View full question & answer→
Question 201 MarkLight ravels along $.........$ path.AnswerLight ravels along Straight path.View full question & answer→
Question 211 MarkFill in the blanks with appropriate words: An object or material could be opaque, transparent, translucent or $.........$.AnswerAn object or material could be opaque, transparent, translucent or luminous.View full question & answer→
Question 221 MarkWe can see our face in mirror because mirror $.........$ our face.AnswerWe can see our face in mirror because mirror Reflects our face.View full question & answer→