A sound of single frequency is called a
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Which of the following glows with special colour depending on the nature of gas in the fluorescent tube?
Which of the following is NOT an application of Fiber optics?
What is the source of natural energy of the hot springs at Manikaran in Himachal Pradesh ?
How many layers are there in the OSI networking model?
Who discovered Fullerene (an allotrope of carbon)?
Mahatma Gandhi returned to India from ______________ in January 1915.
Which of the following is the religious text of the Jews?