MDCAT Physics MCQ's Test With Answers

MDCAT Physics MCQ's Test

Sr. # Questions Answers Choice
1 The pressure exerted on the walls on the vessel by gas molecules is defined as: Force per unit volume Energy per unit area mass per unit volume None of these
2 Change in momentum per second is: Product force and time Product of pressure and area Ratio of pressure and area None of these
3 In case of diffraction grating, unit of grating element is: Centimeter Kilometer As that of g as that of angle
4 Phenomenon of interference and diffraction support the: Quantum nature of light Tranverse nature of light Wave nature of light Complex nature of light
5 The phenomenon of blending of around edges of an obstacle is called: Interfarance Defraction Polorisation None of above
6 To find wavelength of light by his experiment. Newton utilized: Principle of phase change Snell's Law Bragg's law Both (A) and (C)
7 In Michelson's interferometer , the plates are placed in front of incident ray at an angle of: 45<sup>o</sup> 60<sup>o</sup> 90<sup>o</sup> 120<sup>o</sup>
8 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara 2,2 2,3 3,2 3,3
9 To wavelength of light by his experiment , Newton utilized: Wavelength of light Intensity of light amplitude wave None of above
10 In newton's rings see through the reflected light, centeral spo is: Bright Dark Either of the Two None of these
11 Newton's rings are: Rectangular Spherical Concentric circles None of these
12 In newton's rings apparatus, we also use: Spectroscope Telescope Microscope Any of these
13 Newton's rings are: Concetric circles spherical None of these Rectangular
14 The central ring is bright in case of newton's ring produced by: Reflected light Transmitted light Wedged film None of above
15 Newton's rings are formed due to: Manetisation Diffractin Interference Polarization
16 A _____ lens is used in the apparatus to get newton's ring: Plano-concave Plano-convex Convexo concave Double covex
17 In case of interference fringes: Energy is destroyed at dark Energy is created at bright fringes Energy is transferred from dark to bright ringes None of these
18 The distance between different interference fringes are: Variable Same Different None of these
19 Conditions for interference are that the two sources should be coherent and: At the far off distance Close together Coinciding None of these
20 The blending of light when it passes from one medium to another is known as: Refraction Interfarance Polarization Both (B) and (C)
21 YDS experiment can be used to determine: Grating element Fringe spacing Wave length of monochromatic light Frequency of wave light
22 In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be: 0.5 cm 0.5 mm 0.5 nm 0.5 m
23 Fringe spacing in YDS experiment will be maximum if we use: Red light Green light Violet light Blue light
24 If the slits in YDS experiment are made closer, fringe spacing will: Increase Decrease Remain same None of above
25 In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width: Becomes doubled Becomes 4 times Is halved Remains the same
26 Experimental demonstration of wave nature of light was given in 1801 by: Newton Maxwell Thomas young Compton
27 Polymers are the physical combinations of carbon with: Oxygen only Hydrogen Nitrogen All of these None of these
28 Examples of crystalline solids are: Copper Zirconia NaCI All of these Both A and B
29 Examples of polymeric substances are: Plastic Synthetic rubbers Zirconia All of these Both A and B
30 The structure of the polymeric solid is:
 An ordered structure A disordered structure Intermediate between order or disorder Any of these None of these
31 When relatively simple molecules are chemically combined into massive molecules, the reaction is called: Fission reaction Fusion reaction Polymerization reaction Any of these None of these
32 Each atom in a metal crystal: Remains fixed Vibrates about a fixed point Moves randomly Rotates about the centre of the crystal None of these
33 In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of: Adhesive forces Nuclear forces Inter atomic cohesive force Electromagnetic force None of these
34 The pattern of NaCI particles have a shape which is: Cubic Body centred cubic Simple cubic Face centred Both A and C
35 The whole structure obtained by the repetition of unit cells is called: Crystal lattice Amorphous solid Polymeric solid Polystrene None of these
36 The temperature at which the vibrations become so great that structure of the crystal breaks up, is called: Critical temperature Temperature of vaporization Melting point Both A and C Both A and B
37 Tick the one which is not a crystalline solid: Zirconia Glass Copper Ceramic solid An ionic compound
38 A unit set is the smallest basic structure which is: One dimensional Two dimensional Three dimensional Four dimensional None of these
39 The arrangement or molecules or atoms in a crystalline solid can be studied by using: Chemical methods Neutrons X-ray techniques Copper atoms Both A and B
40 In a cubic crystal, all the sides meet at: 60<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 90<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 109<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 30<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 10<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span>
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