MDCAT Physics MCQ's Test With Answers

MDCAT Physics MCQ's Test

Sr. # Questions Answers Choice
1 Distance covered during one vibration of an oscillating body in terms of amplitude A is: A 2 A 3 A 4 A
2 When quarter of a cycle is completed , the phase of vibration is: 90<sup>o</sup> 180<sup>o</sup> 45<sup>o</sup> 360<sup>o</sup>
3 In the equation vf2-vi2=2as, the dimension of 2as is: [LT<sup>-2</sup>] [LT<sup>-1</sup>] [L] [L<sup>2</sup>T<sup>-2</sup>]
4 Spring constant has dimension [MT<sup>-1</sup>] [MT<sup>-2</sup>] [MT<sup>-3</sup>] [M<sup>-2</sup>T<sup>o</sup>]
5 Planck constant has SI unit of J-Second. Its dimension will be: [ML<sup>2</sup>T<sup>-2</sup>] [ML<sup>2</sup>T<sup>-1</sup>] [M<sup>2</sup>LT<sup>-1</sup>] [ML<sup>-2</sup>T<sup>-2</sup>]
6 The dimension of modulus of elasticity is: Different from that of coefficient of viscosity The same as that of pressure the same as that of coefficient of viscosity Both A and B Both A and C
7 Conversion of 10-6micro-centimeter in meters is: 10<sup>-12</sup> 10<sup>-14</sup> 10<sup>-2</sup> 10<sup>-10</sup>
8 All of the following have been expressed in proper units except: Energy = kg m sec<sup>-2</sup> Pressure = N -m<sup>2</sup> Area = m<sup>2</sup> density = kg - m<sup>3</sup>
9 Absolute uncertainty in a measuring instrument is equal to: Percentage uncertainty Least count Accuracy Fractional uncertainly
10 Which quantity had different dimensions: Work Pressure Energy Torque
11 The dimension [MoLoT-1] refer to physical quantity: Velocity Time period Frequency Force
12 The length and width of a rectangular plate are measured to be 15.3 cm, and 12.80 cm, respectively the area of plate is: 195.84 195.8 195 any of these
13 Addition of 2.189 kg, 0.089 kg, 11.8 kg and 5.32 kg give the rounded off answer as: 19.398 19.400 19.4 19.3
14 Addition of 2.2 kg. 10.2 grams and 10.01 grams gives the rounded of answer as: 2.22003 kg 2.22 kg 2.2 kg 2 kg
15 Significant figures in 0.0010 are: Four Three Two One
16 Significant figures in 2.00 x 10-9 is: Four Three Two One
17 Significant figures in 1.0 x10-3 are Five Four Two Three
18 Significant figures in 0.2020 are Two Three Four Five
19 Significant figures in 5432 are Two Three Four Five
20 0.0001210 has _____________ significant figures. Four Three Seven Eight
21 Number can be expressed in scientific notation which employ power of: One Ten 100 1000
22 Colomb is defined as: Amp-Sec<sup>-1</sup> Amp-Sec Amp-m
23 The time interval of 6.3 x 107second is equal to: 4 days 3 months 2 years One light year
24 Time taken by light from Sun to reach Earth is 500 seconds 800 seconds 400 seconds 700 seconds
25 Mole is a unit of measuring: amount substance Intensity of light Amount of current Mass
26 Steradian is the angle subtended at the contre of the____________ Circle Sphere any of these square
27 One metre has ___________ nanometer and one nanometer has ___ meter. 10<sup>5</sup> ,10<sup>5</sup> 10<sup>9</sup> ,10<sup>-9</sup> 10<sup>-9</sup>,10<sup>9</sup> 10<sup>5</sup>,10<sup>-5</sup>
28 The quantity having dimension of ML2T-2will have SI unit of: Watt Newton Joule Metre
29 Unit of spring constant is: Newton per meter Kg-Sec<sup>-2</sup> J-m<sup>-2</sup> All of these None of these
30 Which quantity has different dimension? Tension Force Weight Modulus of elasticity
31 The length and width of a rectangular plate are measured to be 15.3 cm and 12.80 cm, respectively. The area of plate is: 195.84 195.8 195 any of these
32 The dimensions MLT-2 refer to the physical quantity. Torque Force Mass Acceleration
33 Dimensions are same for: Wavelength and amplitude Inertia and moment of inertia Frequency and angular velocity Both A and B Both A and C
34 Addition of 2.2 kg. 10.2 grams and 10.01 grams gives the rounded off answer as: 19.398 19.400 19.4 19.3
35 The length of a line was measured with a metre scale of least count =1 mm by for students. The correct reading will be: 0.5426 m 0.542 m 0.54 m 0.5 m
36 To find the uncertainty in the time period of a vibrating body, the least count of the timing device is ___________ number of vibrations. Added into Subtracted from Multiplied by Divided by
37 The SI unit of volume is: Litre cm<sup>3</sup> m<sup>3</sup> Both a and c
38 Conversion of 104 micro-centimeter in meters is 10<sup>-12</sup> 10<sup>-14</sup> 10<sup>-10</sup> 10<sup>-2</sup>
39 The prefix micro represents the _______________ th part of a quantity: 10<sup>12</sup> 10<sup>6</sup> 10<sup>-6</sup> 10<sup>-2</sup>
40 The unit which is based on one or more base units is called SI Unit Derived unit Unit vector Base unit
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