Class 7,ch Reflection of Light,True and False and Match

Reflection of Light – Class 7

True or False

1. A plane mirror forms an inverted and diminished image. False (It forms erect image of same size)

2. All plane mirrors produce erect images. True

3. White light can be split into seven colours by a raindrop. True

4. The speed of light is nearly 3 × 10 m/s. False (Correct: 3 × 10⁸ m/s)

5. Rose looks red because it absorbs red colour. False (It reflects red, absorbs others)

Match the Following

1. Visible Spectrum → VIBGYOR

2. Blue + Red → Violet

3. Red + Yellow → Orange

4. Blue + Yellow → Green

5. RGB → Light system used in TV screens