JEE Main is the first stage entrance exam for reputed engineering institutes – the gateway to IITs as well as NITs, IIITs and other engineering institutes across India. Every year more than 10 lakh students give the exam. After several adjournments, This year’s engineering entrance To be held from June 20 to June 29. The second session will be held from July 21 to 30.
If any preparation student wants to test their preparation level as well as for science enthusiasts who like to solve tricky questions, then here are sample questions at JEE Mains level to practice . Remember, these are based on the syllabus of class 11 and 12.
In a screw gauge, one-fifth of the circular scale coincides with the reference line when the shaft is closed. The circular scale has 50 parts, and the main scale moves 0.55 mm on one complete rotation. The reading on the main scale for a particular observation is 5 mm and the 20th of the circular scale coincides with the reference line. calculate correct reading
a) 520 mm
b) 5.25 mm
c) 5.15 mm
d) 5.00 mm
Car B overtakes another car A with a relative speed of 40 ms-1. How fast will the image of car B be seen moving in a 10 cm focal length mirror fixed in car A, when car B is 1.9 m away from car A?
a) 0.1 ms -1
b) 0.2 ms -1
c) 40 ms-1
d) 4 ms-1
Which of the following method is most suitable for preparing deionized water?
a) Clarke’s method
b) synthetic resin method
c) Calgon’s method
d) Permutit Method
89 percent of all patients in a hospital are found to be suffering from heart disease and 98 percent from lung infection. If K% of them suffer from both the diseases, then K cannot belong to the set:
a) (84, 86, 88, 90)
b) (80, 83, 86, 89)
c) (79, 81, 83, 85)
d) (84, 87, 90, 93)
A mixture of hydrogen and oxygen has a volume of 500 cm, a pressure of 400 kPa and a mass of 0.76 g. mass ratio of oxygen
a) 3:8
b) 8:3
c) 3:16
d) 16:3
A block moving horizontally on a smooth surface with a speed of 40 m/s splits into two parts with masses in the ratio 1:3. If the smaller part moves with a speed of 60 m/s in the same direction, then the fractional change in kinetic energy is:
a) 1/8
B 1/4
c) 1/3
d) 2/3
There will be negative marking in both Section A (MCQ-Type Questions) and Section B (Numerical Values) in JEE Main 2022. For every correct answer the student will get one mark and for every wrong answer one mark will be deducted. JEE Main 2022 will be conducted in English, Hindi and regional languages including Assamese, Bengali, Kannada, Malayalam, Marathi, Oriya, Punjabi, Tamil, Telugu and Urdu.
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