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Semiconductor Electronics: Materials, Devices and Simple Circuits

Photodiode

A red LED emits light at 0.1 {~W} uniformly around it. The amp

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Medium

Solving time: 3 mins

A red LED emits light at $0.1 W$ uniformly around it. The amplitude of the electric field of the light at a distance of $1 m$ from the diode is
(a) $1.73 V / m$
(b) $2.45 V / m$
(c) $5.48 V / m$
(d) $7.75 V / m$

Views: 5,370 students

Updated on: Dec 19, 2023

Book:

Arihant Physics JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2015

Found 2 tutors discussing this question

Lucas Discussed

A red LED emits light at

0.1 W

uniformly around it. The amplitude of the electric field of the light at a distance of

1 m

from the diode is
(a)

1.73 V / m

(b)

2.45 V / m

(c)

5.48 V / m

(d)

7.75 V / m

11 mins ago

Discuss this question LIVE

11 mins ago

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Question Text	A red LED emits light at $0.1 W$ uniformly around it. The amplitude of the electric field of the light at a distance of $1 m$ from the diode is (a) $1.73 V / m$ (b) $2.45 V / m$ (c) $5.48 V / m$ (d) $7.75 V / m$
Updated On	Dec 19, 2023
Topic	Semiconductor Electronics: Materials, Devices and Simple Circuits
Subject	Physics
Class	Class 12
Answer Type	Text solution:1 Video solution: 7
Upvotes	897
Avg. Video Duration	8 min

A red LED emits light at $0.1 W$ uniformly around it. The amplitude of the electric field of the light at a distance of $1 m$ from the diode is
(a) $1.73 V / m$
(b) $2.45 V / m$
(c) $5.48 V / m$
(d) $7.75 V / m$

Text solutionVerified

Filo tutor solutions (7)

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Practice questions from Arihant Physics JEE Main Chapterwise Solutions (2019-2002) (Arihant)

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A red LED emits light at 0.1 W uniformly around it. The amplitude of the electric field of the light at a distance of 1 m from the diode is(a) 1.73 V/m(b) 2.45 V/m(c) 5.48 V/m(d) 7.75 V/m

Text solutionVerified

Filo tutor solutions (7)

Questions from JEE Mains 2015 - PYQs

Practice questions from Arihant Physics JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Practice questions from Semiconductor Electronics: Materials, Devices and Simple Circuits in the same exam

Practice more questions from Semiconductor Electronics: Materials, Devices and Simple Circuits

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Previous year question papers

A red LED emits light at $0.1 W$ uniformly around it. The amplitude of the electric field of the light at a distance of $1 m$ from the diode is
(a) $1.73 V / m$
(b) $2.45 V / m$
(c) $5.48 V / m$
(d) $7.75 V / m$