Chapter 23: Sound Waves - Science Mcqs for Grade 7

Q.  When sound travels, the air molecules vibrate

a. parallel to the sound direction
b. perpendicular to the sound direction
c. opposite to the sound direction
d. in the direction of the sound


ANSWER: See Answer
 
No explanation is available for this question!
TasDia Network - Mcqs | Signature | Lyrics
MCQs:  Some whales produce songs that travel for about
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In air, the speed of sound is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Bats use ultrasound to find its
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The medical use of ultrasound is to detect
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The exact speed of sound depends upon
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The wave with compressions and rarefactions is known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Ships use echolocation to measure the
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  An example of 'percussion' is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  An animal that can hear sounds with low frequency than human ear is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In air, change in pressure produces
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Processes that do not require energy for the movement of particles are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The percentage of transpiration by stomata is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The contents that a plant uses to make food, are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The rate of transpiration slows down when plant
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The process in which food substances are moved to rest of the plant by 'phloem' is known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Water evaporates from tiny pores on the lower part of leaf. These pores are known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  'Phloem' is a vessel in the plants which carries
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In roots, vascular bundles are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Carbon dioxide and oxygen move in the plants by
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Most of the mineral salts in soil enter the roots by the process of
Category: Science Mcqs,   Published by: T-Code Scripts