Why the emitted light appears to be brighest at the top of LED ?

After reflection, the parallel beam of light appears to come from a point then the type of mirror is ______

Why some people feel their ears popping at the top of a mountain.

Light appears to travel in straight lines since

If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of

In activity 1, why does the portion of the pencil inside the water appears to be thicker and broken near the surf ace of water?

Answer the following : Why does a person weigh more at the bottom of mount everest than at the top of it ?

a light emitted diode is

Why does the sky appear to be blue while the clouds appear white ?

Why the green light is least effective in photosynthesis is

Explain why chlorophyll appears green in reflected light and red in transmitted light. Explain the significance of these phenomena in terms of photosynthesis.