1) Which of the following characteristics is not exhibited by the shadow of an object? a) right side up  b) same colour as object c) can be formed on a screen d) can be bigger than the object 2) Which object that does not give out light on its own is the: a) Star b) Lighted matchsticks c) Light bulb d) Shining mirror 3) As the sun rises in the sky, the shadow of a building: a) Lengthens b) Shortens c) Widens d) Darkens 4) The plane mirror forms a : a) Virtual image b) Real image c) Inverted image d) Magnified image 5) A device containing two plane mirrors which gives us a higher view than normal is : a) Stethoscope b) Microscop c) Periscope d) Telescope 6) There is light on the earth evenon a dark,cloudy day . This is because clouds are: a) Opaque b) Transparent c) Translucent d) Luminous 7) Pinhole camera creates a: a) Inverted image b) Virtual image 8) We can see Moon because it ______________ a) Absorbs light b) Gives out light c) Reflects light d) Does not have a shadow 9) Which of the following produces a laterally inverted, upside-down image? a) Light box b) A pair of spectacles c) Pinhole camera d) Mirror 10) Which of the following object is luminous a) Mirror b) Moon c) Earth d) Sun

Light,Shadows, and Reflections

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?