Why is a convex mirror is used as looking glass in vehicles?

Why is a convex mirror is used as looking glass in vehicles?

Why is a plane mirror used for looking our face?

Why is a plane mirror used for looking our face?

What are the rules for drawing a ray diagram in a convex mirror?

What are the rules for drawing a ray diagram in a convex mirror?

Mention the human body parts where you find unstriated muscles.

How to draw a ray diagram for a concave mirror?

What is the process to draw a  ray diagram for a concave mirror?

What is the difference between a real image and a virtual image?

What is the difference between a real image and a virtual image?

Why is a constriction (kink) made in a clinical thermometer?

There is a constriction made in a clinical thermometer. Why?

An alcohol thermometer cannot measure the temperature of boiling water, why?

An alcohol thermometer cannot measure the temperature of boiling water, why?

What is the difference between Clinical thermometer and simple thermometer?

What is the difference between a Clinical thermometer and a simple thermometer?

Express -40 ºF in to Celsius scale.

Convert -40 ºF in to Celsius scale.