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Showing posts with label waves. Show all posts
Showing posts with label waves. Show all posts

Saturday 24 October 2015

The waves that helps scientists to understand the internal structure of the Earth are

Question 51 The waves that helps scientists to understand the internal structure of the Earth are

A) primary waves
B) secondary waves
C) surface waves
D) longitudinal waves

Answer: surface waves

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Friday 10 July 2015

Which of these waves can be polarized?

Post 286

SSC CHSL Questions 2014

Question 195 Which of these waves can be polarized?

A) Sound waves in air
B) Longitudinal waves on a string
C) Transverse waves on a string
D) Light waves

Answer: Transverse waves on a string



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