Question 11 MarkLunar eclipse occurs when the ..........comes in between the .............and the sun.AnswerLunar eclipse occurs when the earth comes in between the moonand the sun.View full question & answer→
Question 21 MarkThe less dark portion of a shadow is called the .................AnswerThe less dark portion of a shadow is called thepenumbra.View full question & answer→
Question 31 MarkThe darkest portion of a shadow is called the ................AnswerThe darkest portion of a shadow is called theumbra.View full question & answer→
Question 41 MarkIn a pinhole camera, the image formed is ...............AnswerIn a pinhole camera, the image formed is inverted and real.View full question & answer→
Question 51 MarkLight travels in a .................path.AnswerLight travels in a straight linepath.View full question & answer→
Question 61 MarkMoon is a .................. body.AnswerMoon is anon-luminousbody.View full question & answer→
Question 71 MarkA medium which allows light to pass through it easily is called the ...................AnswerA medium which allows light to pass through it easily is called thetransparent medium.View full question & answer→
Question 81 MarkA medium through which light cannot pass is called the ....................AnswerA medium through which light cannot pass is called the opaque medium.View full question & answer→
Question 91 MarkThe sun is a ............... source of light.AnswerThe sun is anaturalsource of light.View full question & answer→
Question 101 MarkLight gives us the sensation of ................AnswerLight gives us the sensation ofvision.View full question & answer→
Question 111 MarkSpeed of light in vacuum is .................AnswerSpeed of light in vacuum is 300000 km/secView full question & answer→
Question 121 MarkA solar eclipse occurs only on a ....................AnswerA solar eclipse occurs only on aNew Moons Day.View full question & answer→
Question 131 MarkPinhole camera is based on the ................... propagation of light.AnswerPinhole camera is based on the principle propagation of light.View full question & answer→
Question 141 MarkLight consists of .............. colours.AnswerLight consists ofsevencolours.View full question & answer→
Question 151 MarkA ............. is formed when the path of light is obstructed by an ..............AnswerA shadowis formed when the path of light is obstructed by anobjectView full question & answer→
Question 161 MarkA lunar eclipse is formed on .............. day.AnswerA lunar eclipse is formed on full moon day.View full question & answer→
Question 171 MarkEclipses are the formation of ............ in nature.AnswerEclipses are the formation of shadowsin nature.View full question & answer→
Question 181 MarkShadows are formed when .......... blocks ..............AnswerShadows are formed when objects blocks lightView full question & answer→
Question 191 MarkThe brightness of light is measured in ...................AnswerThe brightness of light is measured in candle power.View full question & answer→
Question 201 MarkThere are ........... and man-made ............ of light.AnswerThere arenatural and man-made sources of light.View full question & answer→
Question 211 MarkTheSunand .............. are the natural sources of light.AnswerTheSunandMoonare the natural sources of light.View full question & answer→