Tiêu đề AIM NEET Part Test 13.pdf ✅

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[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: 15/06/2022 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. Equation of state for real gas can be written as 2 P (V ) RT V a b   + − =     Where symbols have usual meaning, then dimension of b is (1) [M L 3 T –2 ] (2) [M0 L T–2 ] (3) [M0 L 3 T 0 ] (4) [M0 L 3 T 1 ] 2. Two balls are simultaneously projected, first with speed u1 in vertically upward direction from ground and the other with speed u2 in downward direction from a height H. They will meet each other after the time (1) 1 2 H u u (2) 2 2 1 2 H u u + (3) ( 2 1 ) H u u − (4) ( 1 2 ) H u u + 3. Two blocks of masses m1 and m2 are kept on a smooth horizontal surface. The ratio of force exerted by one block on the other in case 1 to case 2 is (1) 1 2 m m (2) 2 1 m m (3) 1 2 1 2 m m m m + (4) 1 : 1 4. A proton and an α particle after being accelerated by same potential difference, are subjected to a uniform transverse electric field. Then one can conclude that (1) Proton will deflect more (2) α particle will deflect more (3) Both will be deflected equally but in opposite directions (4) Both will be deflected equally and in the same direction AIM NEET Full Test-03
[2] 5. Two metallic shells with charges q and –q are kept in air with their centre to centre distance r. The magnitude of electrostatic force between them is 0 1 4 k     =    (1) Equal to 2 2 q k r (2) Less than 2 2 q k r (3) More than 2 2 q k r (4) Any of the above depending on the ratio of the radii of the shells 6. Electric potential (in volts) in a region is given by V = –6x – 2y + 3z. The magnitude of electric field in the region is (where x, y and z are in metres) (1) 6 Vm–1 (2) 7 Vm–1 (3) 11 Vm–1 (4) 5 Vm–1 7. A body of mass m uniformly accelerates from rest acquires speed v1 in time t1. Then the power delivered on body at any time t will be (1) 2 1 1 t m t v       (2) 3 1 1 v m t t       (3) 1 1 v m t t       (4) 2 1 1 v m t t       8. Rain drops are falling vertically with velocity x m/s. A cyclist experiences rain drops hitting him with velocity 2 × m/s. The velocity of cyclist may be (1) x m/s towards north (2) x 3 m/s towards east (3) 2x m/s towards south (4) 2 3x m/s towards west 9. A ball of mass 0.5 kg is thrown vertically upwards with speed more than 10 m/s. What is the work done by gravity in last one second of upward journey? (g = 10 m/s2 ) (1) 12.5 J (2) –25 J (3) –12.5 J (4) –5 J 10. A cart of mass 2m is at rest on frictionless rails. When a man of mass m starts moving on the cart, the cart recoils with speed v. What is the speed of man w.r.t. cart? (1) 3 v (2) 2 3 v (3) 3v (4) 3 2 v 11. Two equal and opposite charges are placed at a certain distance apart. Force between them has a magnitude F. If 8% of one charge is transferred to other, then new force between them will be (1) Equal to F (2) Less than F (3) Greater than F (4) Zero 12. In the network shown in figure the current in R5 is (1) I1 (2) I1 – I2 (3) I1 – I3 (4) Zero 13. In the circuit shown in figure, the current through the 2Ω resistor will be (1) 8A (2) 6A (3) 11A (4) 5A 14. A particle of mass 0.1 kg moving with initial speed 2.5 m/s collides with another particle of same mass kept initially at rest. If the total kinetic energy becomes 0.2 J after collision, then the coefficient of restitution is (1) e = 1 (2) e > 1 (3) 0 < e < 1 (4) e = 0 15. Four particles of masses 3m, 4m, 5m and 6m are placed in cyclic order at four corners of a square of side a. The gravitational field at centre of square will be (1) 2 4 2Gm a (2) 2 4 2G 3 m a (3) Zero (4) 2 G 6 2 m a 16. The average force on a particle executing SHM, in one time period is (symbols have their usual meanings) (1) KA (2) KA 2 (3) Zero (4) 2A 3 m
[3] 17. A particle having charge q moves in a uniform magnetic field of magnitude B in a circular path such that its time period is T. If its charge is doubled without changing its mass, then its new time period will be (1) T 2 (2) 2T (3) T 4 (4) T 18. In a potentiometer arrangement, a cell or emf 5 V gives a null point at 35 cm length of wire. If the cell is replaced by another cell, null point shifts to 56 cm. The emf of the new cell will be (1) 6 V (2) 8 V (3) 6.5 V (4) 7.5 V 19. A bar magnet when allowed to oscillate in horizontal plane at a place, oscillates with a time period T. If the same magnet is allowed to oscillate in magnetic meridian, it oscillates with a time period T . 2 The dip angle at that place must be (1) 30° (2) 60° (3) 45° (4) 90° 20. The displacement of a particle on a string carrying a travelling wave is given by y = 10sin (3.14 x – 314 t), where x is in cm and t is in second. What is the minimum distance between two particles always having same phase? (1) 1.5 cm (2) 2 cm (3) 0.5 cm (4) 2.5 cm 21. A string fixed at both ends is vibrating in one of the modes for which the distance between adjacent nodes is 16 cm, then the minimum possible length of the string is (1) 16 cm (2) 32 cm (3) 8 cm (4) Zero 22. There is a closed container having ideal gas. If temperature is increased, then kinetic energy of gas in the container (1) Increases (2) Decreases (3) Remains same (4) Becomes zero 23. Which of the following quantities is zero on an average for the molecules of an ideal gas in equilibrium? (1) Kinetic energy (2) Velocity (3) Density (4) Speed 24. In the situation shown in figure, the current is decreasing at a constant rate of 3 As–1 . The potential difference between the points A and B, when current in the circuit (i) = 5A, will be (1) 23 V (2) 47 V (3) 3 V (4) 2 V 25. In a circuit the current is given by i = (6A) sin 2πt where t is in seconds. The mean value of current from t = 0 to t = 2 s will be (1) 12 A  (2) 6 2 A (3) 6 A 2 (4) Zero 26. In the circuit the rms current supplied by the source is (1) 50 A (2) 100 A (3) 141.4 A (4) 200 A 27. Velocity of electromagnetic waves in medium is (1) (00) –1/2 (2) (0r0r) –1/2 (3) 3 × 108 m/s (4) 1/2 0 0 r r +           28. If some heat is supplied to a solid, then (1) Its temperature must increase (2) Its internal energy must increase (3) Kinetic energy of molecules must decrease (4) It must melt 29. An amount Q of heat is added to a diatomic ideal gas in a process in which the gas performs a work Q/2 on its surroundings. The increase in the translational kinetic energy of the gas is (1) 2 Q (2) 3 10 Q (3) 5 Q (4) 10 Q