General Knowledge :: Physics
- An optically plane surface reflects a beam of light
- The focal length of a concave mirror with a radius of curvature of 20.0 cm is :
- The type of mirrors used in the headlamp of cars is
- What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ?
- At what temperature do the Fahrenheit and Celsius scales give the same reading?
- The temperature of a liquid is 32° F. What is its temperature in Celsius scale?
- To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature.
- In very cold countries alcohol is used as a thermometric liquid because