Question

The atomic masses of He and Ne are 4 and 20 AMU respectively. The value of de-Broglie wave length of He gas at -73 degrees C is M times that of the de-Broglie wavelength of Ne at 727 degrees C. ‘M’ is ___

Answer 1

Explanation:

The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly. Of the objects that orbit the Sun directly, the largest are the eight planets, with the remainder being smaller objects, the dwarf planets and small Solar System bodies.

Answer 2

Answer:

What is the wavelength of X rays having a frequency of 4.80 X 10¹⁷?

c = λν

c = 3.00 X 10⁸ m/s (speed of light)

ν = 4.80 X 10¹⁷ Hz

c/ν = λ

3.00 X 10⁸ / 4.80 X 10¹⁷ Hz = λ

λ = 6.25 X 10⁻¹⁰ m or 0.625 nm

Explanation:

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