just for two or three days Joint Entrance Examination (JEE) Advanced 2022, It is time for the candidates to increase their knowledge. To be held on Sunday, 28th August, students must continue their revision well and give as many mock tests as possible.
To help you with the same, let’s see if you can answer these questions from IIT Entrance Previous Years Papers:
1. Among the following, the paramagnetic compound is :
One. N2O2
bo3
C. N2O
D. KO2
Answer – d
Read also| JEE Advanced 2022: Last week preparation tips for IIT admission
2. Which of the following liberates O2 on hydrolysis?
One. pb3o4
b. KO2
C. Na2O2
D. Li2O2
Answer – B
Read also| The QS NIRF Rankings: Know the Top Medical Colleges India & abroad
3. The color of the light absorbed by an aqueous solution of CuSO2 is?
One. Orange red
b. blue green
C. yellow
D. purple
Answer – One
4. Let AP (a; d) denote the set of all terms of an infinite arithmetic progression with the first term a and the common difference d > 0. If AP(1; 3) AP(2; 5) AP(3 ; 7) = AP (A; D) then A + D equals ___
One. 157.00
b. 167.00
C. 177.00
D. 187.00
Answer – A
5. A liquid at 30°C is poured very slowly into a calorimeter at 110°C. The boiling point of a liquid is 80°C. It is found that the first 5 g of the liquid evaporates completely. After adding another 80 g of liquid, the equilibrium temperature is found to be 50 °C. The ratio of latent heat of liquid to its specific heat will be _______°C. [Neglect the heat exchange with surrounding]
One. 270.00
b. 370.00
C. 470.00
D. 570.00
Answer – A
6. Which of the following statement(s) is(are) correct about the spectrum of hydrogen atom?
One. The ratio of the longest wavelength and the shortest wavelength in the Balmer series is 9/5. Is
b. There is an overlap between the wavelength ranges of the Balmer and Paschen series
C. The wavelength of the Lyman series is given by (1 + 1/m2)λ0 where 0 is the shortest wavelength of the Lyman series and m is an integer
D. The wavelength ranges of the Lyman and Balmer series do not overlap
Answer – A, D
7. Let E denote the parabola y2 = 8x. Let P = (-2, 4), and Q and Q’ are two distinct points on E such that the lines PQ and PQ’ are tangents to E. Let F be the focus of E. Then which of the following statements (are true?
One. Triangle PFQ is a right angled triangle
b. Triangle QPQ’ is a right angled triangle
C. The distance between P and F is 5√2. Is
D. F lies on the line joining Q and Q.
Answer – A, B, D
8. Which of the following ionic species will not give color to aqueous solution?
One. Ti4+
b. cube+
C. Zn2+
D. CR3+
Answer – d
Read| How I cracked JEE Advanced and secured a seat in IIT Bombay
9. Let us consider a system of units in which mass and angular momentum are dimensionless. If the dimension of length is L, then which of the following statement(s) is/are correct?
One. The amplitude of the force L-3 . Is
b. Dimension of energy L-2 . Is
C. Dimension of power L-5 . Is
D. The amplitude of linear momentum L-1 . Is
Answer – A, B, D
10. The work done by the given process in bringing the dipole from infinity to a distance r from the center of the loop is proportional to
One. m/r5
b. M2 / R5
C. M2 / R6
D. M2 / R7
Answer – C
JEE Advanced 2022 Paper 1 will be conducted from 9 AM to noon and Paper 2 from 2.30 PM to 5.30 PM. Indian Institute technology (IIT) Bombay will conduct the exam this time. The top 2,50,000 students who perform well in JEE Mains get a chance to appear for IIT admissions every year.
read all latest education news And today’s fresh news Here