Planck Equation -Multiple Choice Questions Quiz

Interactive MCQs on “Planck Equation”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What does the Planck Equation describe?

(a) The relationship between mass and energy
(b) The quantization of angular momentum
(c) The emission of blackbody radiation
(d) The behavior of electric fields in a vacuum

Question 2: Who proposed the Planck Equation?

(a) Albert Einstein
(b) Max Planck
(c) Niels Bohr
(d) Werner Heisenberg

Question 3: Which fundamental constant appears in the Planck Equation?

(a) Speed of light (c)
(b) Gravitational constant (G)
(c) Planck's constant (h)
(d) Avogadro's number (N_A)

Question 4: What is the significance of the temperature (T) in the Planck Equation?

(a) It represents the speed of light in a vacuum.
(b) It quantizes the angular momentum of particles.
(c) It determines the peak wavelength of emitted radiation.
(d) It indicates the mass-energy equivalence of particles.

Question 5: Which part of the electromagnetic spectrum does the Planck Equation cover?

(a) Visible light
(b) Infrared radiation
(c) Ultraviolet radiation
(d) All parts of the electromagnetic spectrum

Question 6: What is the value of 'c' in the Planck Equation?

(a) 2.997 x 10^8 meters per second
(b) 6.626 x 10^-34 joule-seconds
(c) 6.022 x 10^23 particles per mole
(d) 9.81 meters per second squared

Question 7: How does the intensity of blackbody radiation change with an increase in temperature?

(a) Intensity increases
(b) Intensity decreases
(c) Intensity remains constant
(d) Intensity becomes zero

Question 8: In the Planck Equation, what happens to the wavelength of emitted radiation as the temperature decreases?

(a) Wavelength increases
(b) Wavelength decreases
(c) Wavelength remains constant
(d) Wavelength becomes infinite

Question 9: What is the lowest possible temperature in the Planck Equation, known as absolute zero?

(a) 0 Kelvin
(b) 0 degrees Celsius
(c) 0 degrees Fahrenheit
(d) 0 Rankine

Question 10: The Planck Equation provided a key insight into which important theory of physics?

(a) Theory of relativity
(b) Quantum mechanics
(c) Theory of electromagnetism
(d) Theory of gravitation