PHYSICS Q&A For All Competitive Exam
✔️Q.1.
What is the name of the scientist who stated that matter can be converted into energy?
👉Einstein
✔️Q.2.
The size of atomic nucleus is of the order of___?
👉10^-14 m
✔️Q.3.
A temperature at which both the Fahrenheit and the centigrade scales have the same value?
👉-40°
✔️ Q.4.
In the visible spectrum which colour has the shortest wavelength?
👉Violet
✔️Q.5.
A fast wind can turn the blades of a windmill because it possesses__.
👉Potential Energy
✔️ Q.6.
Which of the following material is used for electric wire heater?
👉Nichrome
✔️ Q.7.
Conversion of chemical energy into electrical energy occurs in which thing?
👉Battery
✔️Q.8
The direction of a magnetic field within a magnet is___?
👉From South to north
✔️Q.9
What remains constant while throwing a ball upward?
👉Acceleration
✔️ Q.10
What type of lens is a magnifying glass?
👉Convex lens
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