Physics- Basic General Knowledge questions and answers

1. When the object is placed very close to the concave mirror, the image formed is

Small, inverted virtual image Enlarged, inverted virtual image Enlarged, erected virtual image Small erected virtual image

2.Which of the following is not a fundamental quality

Time Length Mass Area

3.The Audible Range of bazt is (Hertz)

20-20,000 900-2,00,000 100-32,000 1000-1,50,000

4.The Principle of fuse wire is

Oersted Experiment Amphere’s Law Ohm’s Law Jule Thermal Law

5.The method used to separate two substances based on the difference in the force of attraction between two substances

Chromatography Filtration Sublimation Distillation