Physics
Which of the following is a class III lever?
- Pair of scissors
- Wheelbarrow
- Crowbar
- Human forearm
Related Questions
Assertion (A) : Ultraviolet radiations are scattered more as compared to the microwave radiations.
Reason (R) : Wavelength of ultraviolet radiation is more than the wavelength of microwave radiation.
- Both A and R are true.
- A is true but R is false.
- A is false but R is true.
- Both A and R are false.
When the stem of vibrating tuning fork is pressed on a table, the tabletop starts vibrating. These vibrations are definitely an example of:
- resonance
- natural vibrations
- forced vibrations
- damped vibrations
The specific resistance of a conductor depends on its:
- length
- material
- area of cross section
- radius
Identify the option that displays the correct wiring with correct colour code :
- 1.
- 2.
- 3.
- 4.
