Question
Consider the following statements about India’s
AstroSat and its new discovery: 1. AstroSat observed an event around the black hole X-ray binary system “Swift J1727.8-1613”. 2. A unique finding was the detection of “aperiodic modulation” of high-energy X-rays. 3. The frequency of quasi-periodic oscillations in high-energy X-rays remained constant. Which of the above statements is/are correct?Solution
The frequency of quasi-periodic oscillations did not remain constant; it varied from 1.4Hz to 2.6Hz.
Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
Mohan's mother asked him that if he had watered ...
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Read each sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The n...
The world is not kindly to those who do not tackle their own problems.Â
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The group (A)/have been (B)/notoriously fickle (C)/in the past (D).
The vaccine, when hit the Indian market, was dogged by controversy.
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