A convex mirror consistently forms images that are virtual, erect, and diminished. These images are always located between the pole (P) and the principal focus (F) of the mirror.
Initial Position: When the object is at infinity, the image is formed exactly at the principal focus (F). This image is virtual and highly diminished.
Movement Scenario: As the object starts moving slowly from infinity towards the pole (P), the image undergoes a corresponding movement.
Therefore, as the object moves from infinity towards the pole of a convex mirror, the image moves from the principal focus (F) towards the pole (P).
What is the colour of the light emitted by the Sun?
Lightning occur in the sky when two clouds:
With reference to street-lighting, how do sodium lamps differ from LED lamps?
1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps.
2. As street lights, sodium lamps have a longer life span than LED lamps.
3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street lighting.
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Which one of the following is a reason why astronomical distances are measured in light-years?
In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?
1. Area of the hole in the lid
2. Temperature of the flame
3. Weight of the lid
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