Question
Directions: In each of the questions, a sentence has
been divided into four parts, one of which may contain an error. Identify that fragment and mark it as your answer. The words in bold are contextually and grammatically correct. Mark (E) if the sentence contains no error. The scientist's groundbreaking research, (A)/ marked by rigorous experimentation and innovative methodologies, (B)/ have revolutionized our understanding of (C)/ quantum mechanics and its intricate complexities. (D)/ No error (E)Solution
The subject "groundbreaking research" is singular, so the verb "have" should be corrected to "has" to maintain proper subject-verb agreement.
Which of the following is a nonrenewable source of energy? Â
What is the main difference between alternating current (AC) and direct current (DC)? Â
Hyperrnetropia or longsight can be corrected by using :
A car accelerates from 20 m/s to 40 m/s in 10 seconds. What is its acceleration?
A negative test charge is released in a non-uniform electric field. It moves towards a region of:
The unit of measurement of noise is –
A cube of side a encloses a point charge q at its center. What is the electric flux through one of its faces?
What is the momentum of a 2 kg object moving at 3 m/s? Â
An object moves towards a convex lens of focal length 20 cm with a velocity of 5 cm/s. When the object is at 30 cm from the lens, find the rate at which...
Boyle’s Law is applicable to gases under which conditions?
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