Title AIM NEET Part Test 17.pdf ✅

[1] TOPIC COVERED Physics: Full Syllabus (Class 11 &12) Chemistry: Full Syllabus (Class 11 &12) Botany: Full Syllabus (Class 11 &12) Zoology: Full Syllabus (Class 11 &12) Duration: 3 hr 20 min Max Marks: 720 Date: 29/06/2022 General Instructions: • The test will contain 200 Questions of Physics, Chemistry, Botany, and Zoology & The test will be objective type. (Attempt only 180). • Every subject contains two Section A-35 Questions and Section B-15 Questions (Attempt only 10). • All 35 Questions of Section-A are Compulsory to attempt. • Time given for test is 200 minutes. • Marking is +4 for every correct answer, –1 for every wrong answer. • You can reattempt the test in case of any technical issue. • Test will start at 2:00 pm and students can attempt test at any time of their own preferences PHYSICS SECTION-A 1. The value of 10 joule on a system having 100 g, 10 cm and 30 s as fundamental units is (1) 9 × 105 new unit (2) 9 × 109 new unit (3) 9 × 106 new unit (4) 9 × 103 new unit 2. Two forces 3N and 2N are at an angle  such that the resultant is R. The first force is now increased to 6N and the resultant become 2R. The value of  is (1) 30° (2) 60° (3) 90° (4) 120° 3. A bullet fired into a fixed block of wood loses half its velocity after penetrating 60 cm before coming to rest it penetrates a further distance of- (1) 60 cm (2) 30 cm (3) 20 cm (4) 10 cm 4. A river is flowing from west to east at a speed of 5 m/min. A man on the south bank of the river capable of swimming at 10 m/min in still water wants to swim across the river: (1) due north to reach in shortest time (2) at an angle 30° west of north to reach in minimum time (3) at an angle 60° west of north to reach along shortest path (4) at angle 45° west of north to reach along shortest path. 5. In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s. The velocity of the gases ejected from the rocket is 5 × 104 m/s. The thrust on the rocket is (1) 2 × 103 N (2) 5 × 104 N (3) 2 × 106 N (4) 2 × 109 N 6. A block of mass M is hanging over a smooth and light pulley through a light string. The other end of the string is pulled by a constant force F. The kinetic energy of the block increases by 20 J in 1s. Then which of the following statements is/are correct (1) Tension in the string is Mg (2) Tension in the string is F (3) Work done by the tension on the block is 20 J in the above 1s. (4) Work done by the force of gravity is −20 J in the above 1 s. AIM NEET Full Test-07
[2] 7. A spring of force constant 10 N/m has initial stretch 0.2 m. In changing the stretch to 0.25 m, the increase in PE is about. (1) 0.1 J (2) 0.2 J (3) 0.3 J (4) 0.5 J 8. Two blocks of mass 10 kg and 30 kg are placed along a vertical line. The first block is raised through a height of 7 cm. By what distance should the second mass be moved to raised the centre of mass by 1 cm. (1) 2 cm upward (2) 1 cm upward (3) 2 cm downward (4) 1 cm downward 9. A rod of length L is hinged from one end. It is brought to a horizontal position and released. The angular velocity of the rod when it is in vertical position is (1) 2 L g (2) 3 L g (3) 2L g (4) L g 10. A circular disc of radius R and thickness R/6 has moment of inertia I about an axis passing through its centre and perpendicular to its plane. It is melted and recasted into a solid sphere. The moment of inertia of the sphere about its diameter as axis of rotation is (1) I (2) 2 8 I (3) 5 I (4) 10 I 11. A cylinder of mass 10 kg and radius 15 cm is rolling perfectly on a plane of inclination 30°. The coefficient of static friction is μs = 0.25. How much is the force of friction acting on the cylinder? (1) 2 N (2) 5 N (3) 16.4 N (4) 6 N 12. If the change in the value of 'g' at a height h above the surface of the earth is the same as at a depth x below it, when both x and h are much smaller than the radius of the earth, then (1) x = h (2) x = 2h (3) x = h/2 (4) x = h 2 13. Water flows through a frictionless duct with a cross-section varying as shown in fig. Pressure p at points along the axis is represented by (1) (2) (3) (4) 14. Radius of a soap bubble is increased from R to 2R work done in this process in terms of surface tension is (1) 24 R 2S (2) 48 R 2S (3) 12 R 2S (4) 36 R 2S 15. A beaker contains 200 gm of water. The heat capacity of the beaker is equal to that of 20 gm of water. The initial temperature of water in the beaker is 20°C. If 440 gm of hot water at 92°C is poured in it, the final temperature (neglecting radiation loss) will be nearest to (1) 58°C (2) 68°C (3) 73°C (4) 78°C 16. A Carnot engine absorbs an amount Q of heat from a reservoir at an absolute temperature T and rejects heat to a sink at a temperature of T/3. The amount of heat rejected is (1) Q/4 (2) Q/3 (3) Q/2 (4) 2Q/3
[3] 17. The two interfering waves have intensities in the ratio 81 : 16. The ratio of intensities of maxima and minima in the interference pattern will be (1) 25 : 169 (2) 169 : 25 (3) 9 : 4 (4) 4 : 9 18. With what velocity an observer should move relative to a stationary source so that he hears a sound of double the frequency of source (1) Velocity of sound towards the source (2) Velocity of sound away from the source (3) Half the velocity of sound towards the source (4) Double the velocity of sound towards the source 19. Some equipotential surface are shown in the figure. The magnitude and direction of the electric field is (1) 100 V/m making angle 120 with the x-axis (2) 100 V/m making angle 60 with the x-axis (3) 200 V/m making angle 120 with the x-axis (4) None of the above 20. Work done to rotate a dipole through an angle of 90° in an electric field, is- (1) –pE (2) –2pE (3) pE (4) Depends on the initial angle between P and E" 21. Five equal resistances each of resistance R are connected as shown in the figure. A battery of V volts is connected between A and B. The current flowing in AFCEB will be (1) 3V R (2) V R (3) V 2R (4) 2V R 22. Two infinite length wires carries currents 10 A and 24 A respectively and placed along X and Y-axis. Magnetic field at a point P (0, 0, d) m will be (1) 10 0 d   (2) 12 0 d   (3) 13 0 d   (4) 14 0 d   23. What is the net force on the coil (1) 25 × 10–7 N moving towards wire (2) 25 × 10–7 N moving away from wire (3) 35 × 10–7 N moving towards wire (4) 35 × 10–7 N moving towards wire 24. The coercivity of a bar magnet is 100 A/m. It is to be demagnetised by placing it inside a solenoid of length 100 cm and number of turns 50. The current flowing the solenoid will be- (1) 4 A (2) 2 A (3) 1 A (4) zero 25. The equivalent inductance of two inductances is 2.4 henry when connected in parallel and 10 henry when connected in series. The difference between the two inductances is (1) 2 henry (2) 3 henry (3) 4 henry (4) 5 henry 26. The rms current in an a.c. circuit is 2A. If the wattles current be √3 A, what is the power factor? (1) 1 3 (2) 1 2 (3) 1 2 (4) 1 3 27. An electromagnetic wave going through vacuum is described by E = E0 sin(kx – t). Which of the following equation is true (1) E0k = B0 (2) E0 = B0k (3) E0B0 = k (4) None of these