Class 12 CBSE Physics Electromagnetic Waves Board Questions
Here we provide Class 12 Physics important notes,board questions and predicted questions with Answers for chapter Electromagnetic Waves. These important notes,board questions and predicted questions are based on CBSE board curriculum and correspond to the most recent Class 12 Physics syllabus. By practising these Class 12 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 12 Board examinations as well as other entrance exams such as NEET and JEE.
class 12 CBSE Physics Electromagnetic Waves BoardQuestions
Electromagnetic Waves BoardQuestions
2017
Q1
Do electromagnetic waves carry energy and momentum ?
solutions
solutions
Q2
Identify the electromagnetic waves whose wavelengths vary as
(i) 10-2 m < 𝜆 < 10-8 m
(ii)10-3 m < 𝜆 < 10-1 m
Solutions
(i) 10-2 m < 𝜆 < 10-8 m
(ii)10-3 m < 𝜆 < 10-1 m
Solutions
2018
Q1
Name the electromagnetic radiations used for (a) water purification, and (b) eye surgery.
Solutions
Solutions
2019
Q1
Why is wave theory of electromagnetic radiation hot able to explain photo electric effect ? How does
photon picture resolve this problem ?
Solutions
Solutions
Q2
Identify the part of the electromagnetic spectrum used in (i) radar and (ii) eye. surgery. Write
their frequency range.
Solutions
Solutions
2020
Q1
Write the wavelength range and name of the electromagnetic waves which are used in (i) radar systems
for aircraft navigation, and (ii) Earth satellites to observe the growth of the crops.
Solutions
Solutions
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