A loudspeaker changes _________ energy into sound energy.

A. Chemical
B. Electrical
C. Light
D. Kinetic

Submitted by: Danish Balani

Related Mcqs:

The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
A. 1120 ft
B. 120 ft
C. 56 ft
D. 100 ft
E. None of these
Name the branch of science which deals with the study of sound and sound waves?
A. Aeronautics
B. Acoustics
C. Aerostatics
D. Aetiology
Submitted by: ABDUL HAYEE
Microphone converts sound energy into ___________?
A. Microwaves
B. Electrical signals
C. Optical Signals
D. Heat energy
Submitted by: Fahad Iqbal
Sound waves are _________ waves.
A. Transverse
B. Electromagnetic
C. Longitudinal
D. None of these
Only male frog produce croacking sound because _________ ?
A. Male frog can magnify their voice with the help of sound box.
B. Male frog have three pair of vocal cord
C. Female frog have larynx but no vocal cord
D. Female frog have no larynx
Submitted by: Rashid Mehmood
A device which converts chemical energy into electrical energy is called __________?
A. motor
B. generator
C. moving-coil meter
D. battery
Wind energy is the __________ energy.
A. Potential
B. Transverse
C. Kinetic
D. Mechanical
A device that converts mechanical energy into electric energy is called_______?
A. Motor.
B. Transformer.
C. Coil.
D. Generator.
Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?
A. radio, visible, infrared, ultraviolet, x-ray, gamma ray
B. radio, infrared, visible, x-ray, gamma ray, ultraviolet
C. visible, radio, infrared, ultraviolet, x-ray, gamma ray
D. radio, infrared, visible, ultraviolet, x-ray, gamma ray
Submitted by: Mansoor Ul Haque
The radiant energy having lowest energy is?
A. gamma rays
B. UV rays
C. visible light
D. Radio waves
Submitted by: Malik Asghar Hussain