Electromagnetic Waves - ISC Class 12 Physics Questions with Answers
23 past-paper questions on Electromagnetic Waves from ISC Class 12 Physics papers (2027-2018), newest first. Open one to see its answer.
- There are seven types of electromagnetic waves having different frequency ranges. Arrange them in the increasing order of their… 2027 · 2 marks · Short answer
- (i) Name the electromagnetic wave that scans the contents of the luggage of a traveller during a security check. (ii) Which… 2026 · 2 marks · Short answer
- Name the electromagnetic wave used in: (Recall) radars crystallography 2026 · 2 marks · Short answer
- With reference to the image of a cash counting machine shown below, answer the questions that follow. Name the electromagnetic… 2026 · 2 marks · Short answer
- A changing electric field produces a magnetic field and vice versa, resulting in an electromagnetic wave. If a charged particle… 2025 · 2 marks · Short answer
- Analyse the figures given below and mention the significance of electromagnetic waves in each case. 2025 · 2 marks · Short answer
- The speed of electromagnetic waves in free space is given by (in usual notations): 2025 · 1 mark · MCQ
- Which of the following statement is true? 2025 · 1 mark · MCQ
- Name the electromagnetic radiation that has been used in obtaining the image below. What is the wavelength range of… 2025 · 2 marks · Short answer
- Name the electromagnetic wave travelling from the satellite to the dish antenna shown in the image above. If the wavelength of an… 2025 · 2 marks · Short answer
- A joint family stayed happily in a town. As a family, they watched the Asian games that took place in Hangzhou, China from… 2025 · 5 marks · Case based
- Name the electromagnetic wave emitted by the remote control operating the TV set. State any one property common to all… 2025 · 2 marks · Short answer
- Name the electromagnetic radiation whose frequency is $10^{11}\text{ Hz}$. What is the speed of radio waves in vacuum? 2024 · 2 marks · Short answer
- State how vectors $\vec{E}$, $\vec{B}$ and $\vec{c}$ are oriented in an electromagnetic wave. Name the electromagnetic wave /… 2023 · 2 marks · Short answer
- Name the electromagnetic radiation: used for viewing through haze and fog. which has the wavelength of $0\cdot1\text{ nm}$. 2023 · 2 marks · Short answer
- Radio waves and gamma waves are both transverse in nature and electromagnetic in character and have the same speed in vacuum. In… 2022 · 1 mark · MCQ
- Which electromagnetic radiation has wavelength greater than that of X-rays and smaller than that of visible light? 2022 · 1 mark · MCQ
- Which of the following groups belongs only to the electromagnetic spectrum? 2022 · 1 mark · MCQ
- Which is the most harmful radiation entering the atmosphere of earth from outer space? 2022 · 1 mark · MCQ
- State any one use of infrared radiations. State any one source of ultraviolet radiations. 2020 · 2 marks · Short answer
- State any two properties of microwaves. 2019 · 2 marks · Short answer
- What is displacement current? Which electromagnetic radiation is used to study the crystal structure? 2018 · 2 marks · Short answer
- What is the ratio of the speed of gamma rays to that of radio waves in vacuum? Name an electromagnetic wave which is used in the… 2018 · 2 marks · Short answer
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