Mock

1. mark review [Co (NH₃)₄Cl₂] NO₂ and [Co (NH₃)₄ClNO₂] Cl exhibit which type of isomerism?

Geometrical

Optical

Ionization

Linkage

Question 1 of 15

2. mark review A metal crystallizes into two cubic phases, face centered cubic (fcc) and body centered cubic (bcc) whose unit cell lengths are 3.5 and 3.0 A◦ respectively. Calculate the ratio of the densities of fcc and bcc.

1.26

1.67

1.04

6.23

Question 2 of 15

3. mark review A point source of light is placed at a distance of 2f from a converging lens of focal length f. The intensity on the other side of the lens is maximum at a distance.

more than 2f

between f and 2f

Question 3 of 15

4. mark review A vertical tower stands on a declivity which is inclines at 15º to the horizon. From the foot of the tower a man ascends the declivity for 80 ft and then finds that the tower subtends an angle of 30º. The height of the tower is?

40 (√6 - √2) ft

40 (√6 + √2) ft

none of these

20 (√6 - √2) ft

Question 4 of 15

5. mark review If ∝ and β are different values of x satisfying a cos x + b sin x = c, then tan (∝ + β/2) is equal to

b/a

a/b

a+b

a - b

Question 5 of 15

6. mark review For the coagulation of 100 mL of cadmium sulphide solution, 5 mL of 1 M NaCl is required. Flocculation value of NaCl is?

100

Question 6 of 15

7. mark review The area of the region enclosed between the two circles x² +y² = 1 and (x – 1)² + y² =1, is?

(2π/3 – √3/2) sq unit

(2π/3 – 3/2) sq unit

(2π/3 + √3/2) sq unit

(2π – √3/2) sq unit

Question 7 of 15

8. mark review In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.

inside the inner conductor

Inside the outer conductor

Outside the cable

in between the two conductors

Question 8 of 15

9. mark review A pale yellow precipitate and a gas with pungent Adour are formed on warming dilute hydrochloric acid with an aqueous solution containing

thiosulphate ion

sulphite ion

Sulphate ion

sulphide ion

Question 9 of 15

10. mark review While measuring surface tension of water using capillary rise method, height of the lower meniscus from free surface of water is 3 cm while inner radius of capillary tube is found to be 0.5 cm. Then compute surface tension of water using this data. [Take contact angle between glass and water as 0◦ and g = 9.81 m/s²]

1.87 N/m

2.67 N/m

0.72 N/m

0.77 N/m

Question 10 of 15

11. mark review A source of sound moves towards an observer

the wavelength of sound in the medium forwards the observer is decreased

The frequency of the source is increased

the amplitude of vibration of the particles is increased.

the velocity of sound in the medium is increased

Question 11 of 15

12. mark review Internal energy of gas (ideal) depends only on

temperature

Temperature and pressure

volume

Pressure

Question 12 of 15

13. mark review All possible two factors product are formed from numbers 1, 2,.........., 200. The number of factors out of the total obtained which are multiple of 5, is?

7180

5040

8150

none of these

Question 13 of 15

14. mark review To 50.0 mL of a hydrochloric acid solution, 25 mL of 0.5 N Na₂CO₃ solution were added. The remaining acid required 20 mL of 0.5 N NaOH for complete neutralization. The normality of the acid solution is?

0.45 N

0.225 N

0.9 N

1.45 N

Question 14 of 15

15. mark review Mark the correct option.

If the image is virtual, the corresponding object is called a virtual object.

If the final rays are converging, we have a real image

The image of a virtual object is called a virtual image

If the incident rays are converging, we have a real object

Question 15 of 15

Test Name	JEE Main Mock Test
Subject	Mock Test
Test Type	MCQs
Total Question	60
Total Marks	120
Total Time	40 Minutes
Test Help For	AIEEE Test. JEE Main Test General Knowledge. Engineering Admission. Architecture Courses. NITs Admissions. IIITs Admissions. Engineering Entry Test. CBSE Board

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