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M P Keshari

Posts Tagged ‘Medical/Engineering’

PHYSICS – WORK, POWER & ENERGY

This item was filled under [ COMPETITION, NDA, SCRA ]

PHYSICS – WORK, POWER & ENERGY OBJECTIVE  TYPE QUESTION Question – 1. A force of (x2 + 2) N acts upon a particle to displace it from x = 3 m to x = 6 m. The work done is equal to : (A) 63 J                                 (B) 69 J                                  (C) 72 J                                  (D) 81 J [...]

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PHYSICS – DYNAMICS

This item was filled under [ COMPETITION, NDA, SCRA ]

Physics – Dynamics OBJECTIVE TYPE QUESTION Question – 1. A bullet of mass m is fired with a velocity v in a large target of mass M. The final velocity V would  be : (A) Mv/(m + M)                               (B) mv/(m + M)                                (C) (m + M)v/m                                (D) (m + M)V/M Solution : – We have, [...]

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PHYSICS – KINEMATICS

This item was filled under [ COMPETITION, NDA, SCRA ]

Physics for Engineering/Medical Kinematics Question – 1. The velocity time graph of a particle is represented by  y = mx + c, the particle is moving with : (A) Constant velocity                                    (C) Constant acceleration (B) Variable velocity                                     (D) Constant momentum Solution : – We have, the velocity –time graph has positive slope. Hence, [...]

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PHYSICS – SCALARS & VECTORS

This item was filled under [ Medical/Engineering Entrance ]

PHYSICS for MEDICAL & ENGINEERING 2 – Scalars and Vectors Question – 1. If A→×B→ = B→×A→, the angle between A→ and B→ is : (A) π/2                 (B) π                      (C) π/4                  (D) π/3 Solution : – Let angle between A→ and B→ be θ , And                        A→×B→ =             B→×A→ Or,                                          A→×B→ –             [...]

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PHYSICS – UNITS & DIMENSIONS

This item was filled under [ Medical/Engineering Entrance ]

PHYSICS for Medical and Engineering Units and Dimentions Question – 1. If E = electric field, μ0 = permeability of free space. E2/μ0 represents the dimensions : (A) [ML T–4A4]   (B)[ML2T–2 A2]   (C) [MLT2A–2]                     (D) [MLT–4] Solution : – We have,             E2/μ0 =             (Electric field)2/Permeability =             [MLT –3 A–1]2/MLT –2A–2 =             [MLT – 4] [...]

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CHEMISTRY – MEDICAL/ENGINEERING

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY for MEDICAL/ENGINEERING Quantitative Estimations Question – 1. A non-volatile hydrocarbon has 5.6% hydrogen. When 3 g of hydrocarbon is dissolved in 100 g of benzene, the relative lowering vapour pressure of benzene is 1.306×10–2 Nm–2. The molecular formula of non-volatile hydrocarbon is : (A) C7H5 (B) C7H6 (C) C14H10 (D) C14H12 Solution : – [...]

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CHEMISTRY – MEDICAL/ENGINEERING

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY for MEDICAL/ENGINEERING CRYSTALLOGRAPHY Question – 1. Sodium metal crystallizes in a boby-centred cubic lattice with the cell edge, a = 4.29 Å. The radius of sodium atom is : (A) 1.8578 Å                       (B) 1.8576 Å                        (C) 1.8574 Å                        (D) 1.8572 Å Solution : – We have, for b.c.c. lattice radius of Na   =             [...]

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CHEMISTRY – MEDICAL/ENGINEERING

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY for MEDICAL/ENGINEERING THERMOCHEMISTRY Question – 1. The heat liberated on complete combustion of 7.8 g benzene is 327 kJ. This heat has been measured at constant volume and at 27° C. R is given to be 8.3 J mol – 1 K – 1. The heat of combustion of benzene at constant pressure at [...]

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Chemistry for Medical/Engineering

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY for Medical/Engineering THERMODYNAMICS Question – 1. Two litres of N2 at 0° C and 6 atm pressure are expanded isothermally against a constant external pressure of 1 atm until the pressure of gas reaches 1 atm. Assuming gas to be ideal, the work of expansion is : (A) 810.10 J                        (B) 1012.62 J [...]

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Medical/Engineering

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY for Medical/Engineering 10 – Colligative Properties and Solutions Question – 1. The molar volume of liquid benzene (density = 0.877 g/mL) increases by factor of 2750 as it vaporizes at 20° C and that of liquid toluene (density = 0.867 g/mL) increases by a factor of 7720 at 20° C. A solution of benzene [...]

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