Question 11 MarkTrue or False: The image of a red rose formed by a pinhole camera is black.AnswerખોટુંView full question & answer→
Question 21 MarkTrue or False: A lens is used in a pinhole camera.AnswerખોટુંView full question & answer→
Question 31 MarkTrue or False: A shadow is always obtained on a screen.AnswerખરુંView full question & answer→
Question 41 MarkTrue or False: A mirror reflects the light falling on it.AnswerખરુંView full question & answer→
Question 51 MarkTrue or False: A pinhole camera works on the principle that light travels in a straight line.AnswerખરુંView full question & answer→
Question 61 MarkTrue or False: A pinhole camera forms an erect image of a burning candle.AnswerખોટુંView full question & answer→
Question 71 MarkTrue or False: When a cylindrical object is placed on its base and light falls on it, the shadow formed is rectangular in shape.AnswerખરુંView full question & answer→
Question 81 MarkTrue or False: If the object kept in the way of light is rotated, there is no change in the shape of the shadow formed by it.AnswerખોટુંView full question & answer→
Question 91 MarkTrue or False: The shadow formed by a red coloured object is red in colour.AnswerખોટુંView full question & answer→
Question 101 MarkTrue or False: The shape of the shadow of an object is always the same as that of the object.AnswerખોટુંView full question & answer→
Question 111 MarkTrue or False: We cannot see an object if light is not incident on it.AnswerખરુંView full question & answer→
Question 121 MarkTrue or False: Transparent objects form shadows.AnswerખોટુંView full question & answer→