(LIGHT, SHADOWS AND REFLECTION) AND (ELECTRICITY AND CIRCUITS) PRACTICE WORKSHEET Class – 6
(LIGHT, SHADOWS AND REFLECTION) AND (ELECTRICITY AND CIRCUITS) PRACTICE WORKSHEET Class – 6 1. Fill in the blanks: (5 marks) a. We cannot see a _____________object in the dark. (luminous/non-luminous) b. ______________ objects allow light to pass through them. (Opaque/Transparent) c. Light travels in a _____________ line. (straight/curved) d. Translucent objects block the light __________________. (completely/partially) e. Image formed on pinhole camera is always __________. (erect/inverted) Ans. a. non-luminous b. Transparent c. straight d. partially e. inverted 2. Three identical shirts of red, blue and green colours are hanging on a rope in the sun. What would be the colour of their shadows and why? (1 mark) Ans. The colour of their shadows will be black only because shadows are always black in colour.