Home
Video Series
Fast Math Tricks
Quantitative Aptitude
Class 8 Maths Videos
Class 9 Maths Videos
Class 10 Maths Videos
Reasoning Videos
Blog
Store
Register /Login
Home
Topic
Question
Microphone is a device in which
Options:
A
.
 Sound waves are directly transmitted
B
.
 Electrical energy is converted into sound waves directly
C
.
 Sound waves are converted into electrical energy and then reconverted into sound after transmission
D
.
 Amplification is not required at all
Answer: Option C
:
C
Option:(c)
Was this answer helpful ?
0 Likes
Next Question
Report Problem
Share
Submit Solution
Your email address will not be published.
Required fields are marked
*
More Questions on This Topic :
Question 1.
Match List I with List II and select the correct answer from the codes given below the lists: Codes:....
Question 2.
Match List I (Parameters of Light) with List II (their Dependence) and select the correct answer from the codes given be....correct answer from the codes given below the lists: Codes:
Question 3.
If a potato is placed on a pure paper plate which is white and unprinted and put in a microwave oven, the potato heats u....up but the paper plate does not. This is because
Question 4.
What is the principle by which a cooling system (Radiator) in a motor car works?....
Question 5.
Consider the following statements1.Light of longer wavelength is scattered much more than the light of shorter wavelengt....of reflected short radio waves.Which of these statements are correct?
Question 6.
Assertion (A): A piece of copper and a piece of glass are heated to the same temperature. When touched, thereafter, the ....The density of copper is more than that of glass.Codes
Question 7.
Assertion (A): A diamond will shine more than a glass imitation cut to the same shape.Reason (R) : The refractive index ....above two statements, which one of the following is correct?
Question 8.
Suppose a rocket ship is receding from the earth at a speed of 2/10th the velocity of light. A light in the rocket ship ....colour would it appear to an observer on the earth?
Question 9.
Assertion (A): In the visible spectrum of light, red light is more energetic than green light.Reason (R) : The wavelengt....of red light is more than that of green light.Codes
Question 10.
Two wires have their lengths, diameters and resistances all in the ratio 1:2. If the resistance of the thinner wire is 1....is 10 ohm, the resistance of the thicker wire is
Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY
Part 1 : (13-04-2024)
INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test
Part 1
Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP
Part 1 : (14-02-2024)
GPOE
Cube & Cuboid
Part 1
Reasoning (Hindi)
Data Interpretation (DI)
Basic Concept
Reasoning (Hindi)
Counting Figures Part 1
Counting Of Straight Lines
Reasoning (Hindi)
Sail E0 free webinar
Webinars
Real Numbers
Part 7
Class 10 Maths
Real Numbers
Part 1
Class 10 Maths
Polynomials
Part 1
Class 10 Maths
Latest Test Papers
GPOE / GPA Combined 1
Free Mock Test
SAIL JO E-0 2024
Chapter 3.1 : INTRODUCTION
Chapter 3 : Sinter Plant
SAIL E0 - GPOE/GPA 2024
Chapter 2.3 : COAL HANDLING PLANT - Set 1
Chapter 2 : Coke Ovens and Coal Chemicals
SAIL E0 - GPOE/GPA 2024
Chapter 1.1 : INTRODUCTION
Chapter 1 : Raw Material Handling Plant
SAIL E0 - GPOE/GPA 2024
DSP Combined 1
Free Revision Test
SAIL JO E-0
One click Login
Login With Google
Old way of Login
Login With Email
Submit Problem
Problem Type (Required)
Choose Problem Type
Incorrect Topic
Incomplete Question
Wrong Question
Wrong Solution
Wrong Option
Explaination : Please write a little about the issue
Submit Solution