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- Assertion: Electromagnetic waves can be polarised. Reasoning: The direction of the electric field vector in an electromagnetic wave determines its polarisation.<di
Assertion: Electromagnetic waves can be polarised.
Reasoning: The direction of the electric field vector in an electromagnetic wave determines its polarisation.
Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
The assertion is true, but the reasoning is false.
Both assertion and reasoning are false.
Answers (1)
Correct option 1) Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
An electromagnetic wave consists of oscillating electric and magnetic fields that are perpendicular to each other and to the direction of propagation of the wave. The direction of the electric field vector in an electromagnetic wave determines its polarisation. If the electric field vector oscillates in a single plane, the wave is said to be polarised. Electromagnetic waves can be polarised by using a polarising filter, which transmits only the waves that have their electric field vectors oriented in a particular direction. Therefore, both the assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
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