A particle shows distance-time curve as shown in the figure. The maximum instantaneous velocity of the particle is around which point?

Important Questions on Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 5

Which of the following graphs correctly represents the variation of $g$ on the earth?

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 7

A mass $m$ on the surface of the earth is shifted to a target equal to the radius of the earth. If $R$ is the radius and $M$ is the mass of the earth, then work done in this process is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 8

First overtone frequency of a closed pipe of length $l_1$ is equal to the second harmonic frequency of an open pipe of length $l_2$. The ratio $\frac{l_1}{l}$ is equal to

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 9

The resistance $R=\frac{V}{I}$, where $V=\left(100\pm 5\right) \mathrm{V}$ and $I=\left(10\pm 0.2\right) \mathrm{A}$. The percentage error in $R$ is

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JEE Main

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 11

Two particles of masses $m_1$ and $m_2$ have equal kinetic energies. The ratio of their momenta is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 12

The pressure at the bottom of a liquid tank is not proportional to the

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 13

A Carnot engine takes $300$ calories of heat from a source at $500 \mathrm{K}$ and rejects $150$ calories of heat to the sink. The temperature of the sink is

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IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 21 - Engineering Entrance Solved Papers 2018 JEE Main & Advanced/BITSAT/KCET/Andhra Pradesh & Telangana (EAMCET)/VIT/MHT CET>KCET>Q 14

The pressure of an ideal gas is increased by keeping the temperature constant. The kinetic energy of molecules