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Given below are certain facts about the “gravitational force”. Identify the INCORRECT one. A. Gravitational force depends on the intervening medium between the objects. B. Gravitational force is a type of conservative force. C. The gravitational force between two particles acts perpendicular to the line joining the two particles.
Consider the following statements about Gravitational Waves: 1. Albert Einstein predicted the existence of gravitational waves in 1916 in his general theory of relativity. 2. The gravitational waves can work as sirens to measure the expansion rate of the universe and to understand the origin and the future of the universe. 3. In 2015, LIGO physically sensed the distortions in spacetime caused by passing gravitational waves generated by two colliding black holes nearly 1.3 billion light-years away Which of the statements given above is/are correct?
The standard parameter of Earth is 398,600 km3/s2, distance between Earth and Mars is 225 x 106 km, force of gravitational attraction between Earth and Mars is 6.39 x 1023 N. What is the standard gravitational parameter of Mars? Given, universal gravitational constant is 6.67408 × 10-11 m3 kg-1 s-2.
In the question given below, four sentences are given which may or may not be grammatically correct. From the given options, choose the grammatically correct sentence. A. Literature often portrayed children as one-dimensional, but children are as complex as adults. B. Literature often portrays children as one-dimensional, but children are as complex as adults. C. Literature often portrays children as one-dimensional, but children are so complex as adults. D. Literature often portrays children as one-dimensional, but children are more complex as adults. 
Consider the following statements regarding Gravitational lensing 1. Gravitational lensing describes the fact that light is deflected by large masses in the universe. 2. The more massive the object, the stronger its gravitational field and hence the greater the bending of light rays. 3. Lensing, however, cannot be used to verify the existence of Dark Matter. Which of the statements given above is/are correct?
Which of the following statements is/are correct? 1. Gravitational Waves were predicted by Albert Einstein in 1916 on the basis of his theory of General Relativity 2. Gravitational waves do also exist in the Newtonian theory of Gravitation 3. Gravitational Waves are to be detected by very sensitive detectors known as Interferometers Select the correct answer using the code given below:
Which of the following statements is/are correct? 1. In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves. 2. Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant. 3. Gravitational waves were inserted due to collision of two white dwarf stars at about 14 billion light-years distant. Select the correct answer using the code given below:
Which of the following statements is/are correct? 1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves. 2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant. 3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant. Select the correct answer using the code given below.
A smooth plane inclined at an angle θ with the horizontal as shown in the given figure. A body starts from rest and slides down on the inclined surface. The time taken by the body to reach the bottom is
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Group I shows different heat addition processes in power cycles. Likewise, Group II shows different heat removal processes. Group III lists power cycles. Match items from Groups I, II and III. Group I Group II Group III P. Pressure constant S. Pressure constant 1. Rankine cycle Q. Volume constant T. Volume constant 2. Otto cycle R. Temperature constant U. Temperature constant 3. Carnot cycle     4. Diesel cycle     5. Brayton cycle