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Todays' Thought
The greatest discovery of all time is that a person can change his future by merely changing his attitude.
- Oprah Winfrey
अब तक की सबसे बड़ी खोज है कि इंसान सिर्फ अपना नजरिया बदल के अपना भविष्य बदल सकता है |
- ओपरा विनफ्रे


    Physics Question & Answer in English

1.
The unit of pressure is -
A.  Kg / cm2
B.  Kg / cm
C.  Kg / mm
D.  Nm

2.
The sunlight from sun to Earth reaches in -
A.  5 minutes
B.  6 minutes
C.  8 minutes
D.  10 minutes

3.
Which one of the following is an scalar quantity?
A.  Force
B.  Pressure
C.  Velocity
D.  Acceleration

4.
Which one of the following quantities does not have the unit?
A.  Stress
B.  force
C.  Strain
D.  Pressure

5.
Sound wane in air are -
A.  Transverse
B.  Longitudinal
C.  Electromagnetic
D.  Polarised