Modern Physics #1

In which part of the electromagnetic spectrum does a photon have the least energy?

• gamma rays

• microwaves

• visible light

• ultraviolet

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NGSS.HS-PS4-4

The energy of a photon varies inversely with its

• frequency

• momentum

• speed

• wavelength

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NGSS.HS-PS4-1

Compared to the frequency and wavelength of a photon of red light, a photon of blue light has

• lower frequency and longer wavelength

• lower frequency and shorter wavelength

• higher frequency and shorter wavelength

• higher frequency and longer wavelength

Tags

NGSS.HS-PS4-1

A photon has an energy of 8.0 x 10^-19 joule. What is this energy expressed in electronvolts? (number and unit)

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NGSS.HS-PS4-3

The slope of a graph of photon energy versus photon frequency represents

• Planck's constant

• the mass of a photon

• the speed of light

• the speed of light squared

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which graph best represents the relationship between photon energy and photon frequency?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

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NGSS.HS-PS4-1

A photon of green light has a frequency of 6.0 x 10¹⁴ hertz. The energy associated with this photon is (nearest hundredth and don't put units)

Mathematical Equivalence

ON

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

Calculate the energy of a photon having a wavelength of 4.00 x 10^-7 meter in air. (nearest hundredth and don't put units)

Mathematical Equivalence

ON

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

An X-ray photon collides with an electron in an atom, ejecting the electron and emitting another photon. During the collision there is a conservation of

• momentum only

• energy only

• both momentum and energy

• neither momentum nor energy

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NGSS.HS-PS2-2

Experiments performed with light indicate that light exhibits

• Particle properties only

• Wave properties only

• Both particle and wave properties

• Neither particle nor wave properties

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NGSS.HS-PS4-3