Joint Entrance Examination (JEE) Admission to Undergraduate Engineering Programs at NITs, IIITs, Has been Conducted By IITs For the admission in Engineering Courses This JEE 2019-20 examination is the procedure to get the admission in MBA.

JEE 2019-20 Question Paper having Physics, Chemistry, Mathematics. This JEE 2019-20 Question will help all the students for their exam preparation, here the question type is MCQ i.e multiple choice question answers, if this JEE 2019-20 question paper in pdf file for IIT JEE you can download it in FREE, if Joint Entrance Examination (JEE) 2019-20 paper in text for JEE you can download JEE 2019-20 page also just Go to menu bar, Click on File->then Save.

## JEE Question Paper 2019-20

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1. A rocket is launched normal to the surface of the Earth, away from the Sun, along the line joining the Sun and the Earth. The Sun is 3×105 times heavier than the Earth and is at a distance 2.5×104 times larger than the radius of the Earth. The escape velocity from Earth’s gravitational field is ve = 11.2 km s –1. The minimum initial velocity (vs) required for the rocket to be able to leave the Sun-Earth system is closest to

(Ignore the rotation and revolution of the Earth and the presence of any other planet)

• [A] vs = 22 km s–1
• [B] vs = 42 km s–1
• [C] vs = 62 km s–1
• [D] vs = 72 km s–1

2. A person measures the depth of a well by measuring the time interval between dropping a stone and receiving the sound of impact with the bottom of the well. The error in his measurement of time is δT = 0.01 seconds and he measures the depth of the well to be L = 20 meters. Take the acceleration due to gravity g = 10 ms–2 and the velocity of sound is 300 ms–1 Then the fractional error in the measurement, δL/L is closest to

• [A] 0.2%
• [B] 1%
• [C] 3%
• [D] 5%

3. A flat plate is moving normal to its plane through a gas under the action of a constant force F. The gas is kept at a very low pressure. The speed of the plate v is much less than the average speed u of the gas molecules. Which of the following options is/are true?

• [A] The pressure difference between the leading and trailing faces of the plate is proportional to uv
• [B] The resistive force experienced by the plate is proportional to v
• [C] The plate will continue to move with constant non-zero acceleration, at all times
• [D] At a later time the external force F balances the resistive force

4. In which case will the particle move in a straight line with constant velocity?

• [A] (III) (ii) (R)
• [B] (IV) (i) (S)
• [C] (III) (iii) (P)
• [D] (II) (iii) (S)

5. In which case will the particle describe a helical path with axis along the positive z direction?

• [A] (IV) (i) (S)
• [B] (II) (ii) (R)
• [C] (III) (iii) (P)
• [D] (IV) (ii) (R)