10th Standard Syllabus & Materials
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TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Supplementary - 3 - The Story of Mulan Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Supplementary - 2 - Zigzag Important Questions And Answers Study Material - QB365 Set A
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Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 10 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
speed
frequency
wavelength
none of these
2.
If a sound wave travels with a frequency of 1.25 x 104 Hz at 344 ms-1, the wavelength will be
27.52 m
275.2 m
0.02752 m
2.752 m
3.
The velocity of sound in air at a particular temperature is 330 ms-1. What will be its value when temperature is doubled and the pressure is halved?
330 ms-1
165 ms-1
330 x \(\sqrt { 2 } \) ms-1
320/\(\sqrt { 2 } \) ms-1
4.
Velocity of sound in a gaseous medium is 330 ms-1. If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is
330 ms-1
660 ms-1
156 ms-1
990 ms-1
5.
When a sound wave travels through air, the air particles
vibrate along the direction of the wave motion
vibrate but not in any fixed direction
vibrate perpendicular to the direction of the wave motion
do not vibrate
1.
(d)
none of these
2.
(c)
0.02752 m
3.
(c)
330 x \(\sqrt { 2 } \) ms-1
4.
(a)
330 ms-1
5.
(a)
vibrate along the direction of the wave motion
10th Standard Syllabus & Materials
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards