kurumi

Which subatomic particle is negatively charged?

• proton

• neutron

• electron

• quark

Photoelectrons will be ejected from a material surface if?

• The threshold frequency is greater than the photon frequency

• The work function is less than the photon energy

• The intensity of light is high enough

• The wavelength of photon is maximum

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What are the shapes of p orbitals ?

• cloverleaf

• spherical

• dumbbell

What do electrons constantly do?

• They pop in and out of appearing.

• They pop in and out of existence.

• They pop in and out of consciousness.

• They pop in and out of disappearing.

When the top of one wave meets the bottom of another wave, they...

• call each other out.

• cancel each other out.

• cancel each other off.

• don't cancel each other out.

Tags

NGSS.HS-PS4-5

What's the name of the infamous experiment in Quantum Physics?

• Double-Split Experiment

• One-Slit Experiment

• Double-Decker Experiment

• Double-Slit Experiment

Tags

NGSS.HS-PS4-3

An Interference Pattern appears when...

• two particles interact with each other.

• waves interact with particles.

• two waves interact with each other.

• particles interact with particles.

Tags

NGSS.HS-PS4-5

What does the observer do?

• The observer collapses the wave function into particle.

• The observer collapses the particle into a wave function.

• The observer collapses the whole system simply by observing.

• The observer collapses the wave function into a wave.

Tags

NGSS.HS-PS4-3

A monochromatic light beam with a quantum energy of 9.0 eV is incident upon a photocell. The work function of the photocell is 4.1 eV. What is the maximum kinetic energy of the electron.

• 4.2 eV

• 4.4 eV

• 4.7 eV

• 4.9 eV

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

A monochromatic light beam with a quantum energy of 9.0 eV is incident upon a photocell. The work function of the photocell is 4.1 eV. What is the maximum kinetic energy of the electron.

• 4.2 eV

• 4.4 eV

• 4.7 eV

• 4.9 eV

Tags

NGSS.HS-PS3-1

NGSS.HS-PS4-3