Question 11 MarkThe colours red, green and blue are called secondary colours.AnswerFalse. The colours red, green and blue are called primary colours.View full question & answer→
Question 21 MarkThe colour of an object does not depend upon the colour of light reflected by it.AnswerFalse. The colour of an object depends upon the colour of light reflected by it.View full question & answer→
Question 31 MarkA magenta colour object when seen in yellow light appears red.AnswerFalse. A magenta colour object when seen in yellow light appears black.View full question & answer→
Question 41 MarkThe white object seen in a coloured light appears to have the colour of the coloured light.AnswerTrue.View full question & answer→
Question 51 MarkLight needs a material medium to travel.AnswerFalse. Light does not needs a material medium to travel.View full question & answer→
Question 61 MarkThe regular nature of a reflection can be determined from the clarity of the image formed.AnswerTrue.View full question & answer→
Question 71 MarkThe behaviour of mirrors due to which sides of an object gets inversed is called lateral inversion.AnswerTrue.View full question & answer→
Question 81 MarkThe Image formed by a plane mirror is of the same size as the object.AnswerTrue.View full question & answer→
Question 91 MarkIn reflection, the angle of incidence is always greater than the angle of reflection.AnswerFalse. In reflection, the angle of incidence is always equal to the angle of reflection.View full question & answer→
Question 101 MarkA ray of light obtained as a result of reflection from a surface is called an incident ray.AnswerFalse. A ray of light obtained as a result of reflection from a surface is called .a reflected ray.View full question & answer→
Question 111 MarkRegular reflection gives diffused or blurred images.AnswerFalse. Regular reflection gives clear images.View full question & answer→