# Planck Constant MCQ with Answers PDF Download - 29

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"Physical constant that is the quantum of action, central in quantum mechanics, is called", planck constant Multiple Choice Questions (MCQs) with choices *permeability constant, permittivity constant, planck constant, and stefan-boltzman constant* for college entrance test.

## Planck Constant Questions and Answers PDF Download 29

MCQ: Physical constant that is the quantum of action, central in quantum mechanics, is called

- permittivity Constant
- Permeability Constant
- Planck Constant
- Stefan-Boltzman Constant

C

MCQ: Coefficient of thermal expansion of fused quartz is

- 1.2x10
^{-6}/C° - 51x10
^{-6}/C° - 0.5x10
^{-6}/C° - 0.7x10
^{-6}/C°

C

MCQ: Atomic number of Boron is

- 5
- 23
- 25
- 100

A

MCQ: Collision of baseball and bat is

- elastic
- inelastic
- zero
- undefined

B

MCQ: Ultimate strength of Douglas fir wood is

- 110x10
^{6}N/m^{2} - 10x10
^{6}N/m^{2} - 40x10
^{6}N/m^{2} - 50x10
^{6}N/m^{2}

D