List of top Questions asked in UP JEE Polytechnic

A bag contains 4 red and 6 blue balls. Two balls are drawn at random without replacement. What is the probability that both are red?
If sin θ + cos θ = √2, what is the value of sin θ · cos θ?
A light wave of wavelength 600 nm passes through a double-slit apparatus with a slit separation of 0.2 mm. What is the angular separation (in degrees) of the first-order bright fringe?
A gas undergoes an isothermal process at 300 K, and its volume increases from 2 L to 4 L. If the initial pressure is 2 atm, what is the work done by the gas? (R = 8.314 J/mol·K, assume 1 mole)
What is the IUPAC name of the compound CH₃-CH₂-CO-CH₃?
For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the equilibrium constant Kc is 0.5 at 400 K. If [N₂] = 0.1 M, [H₂] = 0.2 M, and [NH₃] = 0.05 M, what is the reaction quotient Qc?
The roots of the quadratic equation x² - 5x + k = 0 are real and distinct. What is the range of values for k?
A point P divides the line segment joining A(2, 3) and B(8, 9) in the ratio 1:2. What are the coordinates of P?
A block of mass 5 kg is placed on a frictionless surface and pushed with a force of 20 N at an angle of 30° to the horizontal. What is the acceleration of the block?
Which of the following molecules has a trigonal planar molecular geometry?
A train passes a telegraph post in 40 seconds moving at a rate of 36 km/h. Then the length of the train is:
The earth makes a complete rotation about its axis in 24 hours. What angle will it turn in 3 hours 20 minutes?
Choose the word that is not like the other words in the group
Choose the word that is not like the other words in the group
In the given question find out the odd one from the group
In the given question find out the odd one from the group
Series : 8, 14, 26, 48, 98, 194, 386
In the given question find out the odd one from the group
0, 1, 3, 6, 10, 15, 21, 28, 37, 45
In the given question find out the odd one from the group
Choose the word that is not like the other words in the group
The volume of the cylinder is \( 448 \pi \, \text{cm}^3 \) and height 7 cm. Then its lateral surface area is:
pH value of 0.0001 M HCl solution is
If VICTORY is coded as YLFWRUB, then SUCCESS will be coded as
Which physical quantity is constant for a satellite in orbit?