NEET Physics: Electromagnetic spectrum Practice Questions
12 free multiple-choice questions on Electromagnetic spectrum (Electromagnetic Waves) for NEET Physics, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.
Practice thousands more NEET questions in the app →Q1. Which type of radiation possesses the highest energy among the following?
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Correct answer: D — Gamma rays
Gamma rays have the highest frequency and thus the highest energy among the parts of the electromagnetic spectrum.
Q2. The transition in the electromagnetic spectrum from the Infrared region to the Visible region is characterized by a significant increase in which physical property?
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Correct answer: A — Frequency
As the transition moves from lower energy/longer wavelength (IR) to higher energy/shorter wavelength (Visible), the frequency of the radiation increases significantly.
Q3. Which electromagnetic wave has the shortest wavelength among the non-ionizing radiation spectrum?
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Correct answer: B — Visible light
Among the standard spectrum, X-rays have a much shorter wavelength (and higher energy) than microwaves or infrared.
Q4. Which part of the electromagnetic spectrum corresponds to the highest frequency and shortest wavelength?
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Correct answer: B — Gamma rays
Gamma rays have the highest frequency and shortest wavelength among the commonly discussed regions of the spectrum.
Q5. The electromagnetic radiation with the highest frequency and shortest wavelength is:
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Correct answer: B — Gamma rays
Gamma rays possess the highest frequency and consequently the shortest wavelength among all electromagnetic waves.
Q6. Which of the following waves has the longest wavelength in the electromagnetic spectrum?
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Correct answer: A — Radio waves
Radio waves have the longest wavelengths compared to the other listed regions of the spectrum.
Q7. In the electromagnetic spectrum, the transition from Ultraviolet (UV) radiation to Visible light corresponds to a decrease in which property?
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Correct answer: B — Frequency
As radiation moves from UV to Visible light, the wavelength increases, and consequently, the frequency decreases, which results in lower energy.
Q8. The energy of an electromagnetic wave is directly proportional to its:
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Correct answer: A — Frequency
The energy (E) of an electromagnetic wave is directly proportional to its frequency (E = hf). This means higher frequency corresponds to higher energy.
Q9. Which of the following electromagnetic waves requires the least amount of energy to be produced?
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Correct answer: B — Radio waves
Radio waves generally carry the lowest energy per photon compared to higher energy waves like X-rays or Gamma rays.
Q10. In the electromagnetic spectrum, which region is characterized by the highest frequency and shortest wavelength?
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Correct answer: A — Gamma rays
Gamma rays possess the highest frequency and the shortest wavelength, representing the most energetic part of the electromagnetic spectrum.
Q11. The electromagnetic wave with the highest frequency and shortest wavelength in the spectrum is:
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Correct answer: D — Gamma Rays
Gamma rays possess the highest frequency and shortest wavelength, corresponding to the highest energy level in the electromagnetic spectrum.
Q12. If the frequency of an electromagnetic wave increases, its wavelength will:
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Correct answer: A — Decrease
Since wavelength (λ) is inversely proportional to frequency (f) (λ= c/f), an increase in frequency leads to a decrease in wavelength.
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