# JEE Physics Long Answer Questions New in 2020: JEE Sample Questions for Section on Numerical Value of Physics (Most Important) (Download PDF)

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Q. 1: A particle moves in the x-y plane under the influence of a force such that the linear momentum is Where A and k are constants. The angle in degrees between force and momentum is________.

Answer: 90

Q. 2: A power line lies along the east - west direction and carries a current of 10 A.

The force per meter due to earth՚s magnetic field of is. The value of x is________.

Answer: 3

Q. 3: The sun՚s disc subtends an angle of rad at the earth. The radius of curvature (in meters) of the mirror which will produce on a screen an image of the sun 2cm in diameter is________.

Answer: 4

Q. 4: The binding energy of deuteron_{2}H^{4} is 1.15 MeV per nucleon and an alpha particle (_{1}H^{2}) has a binding energy of 7.1 MeV per nucleon. Then in the reaction_{1}H^{2} +_{1}H^{2} ⇾_{2}H^{4} + Q

The energy Q released in MeV is ________

Answer: 23.8

Q. 5: Light of wavelength 0.6 mm from a sodium lamp falls on a photo cell and causes the emission of photoelectrons for which the stopping potential is. With light of wavelength 0.4 mm from mercury lamp the stopping potential is. Then, the work function in eV of the photocell surface is________.

Answer: 1.5

- Published/Last Modified on: December 26, 2019

-Examrace Team