MDCAT Physics MCQ's Test With Answers

MDCAT Physics MCQ's Test

Sr. # Questions Answers Choice
1 Who attempted to measure the speed of light Gallileo Michelson Newton None of these
2 The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using Screws of the spectrometer Leveling screws Turn table screw None of these
3 A telescope is rotatable about the same vertical axis as the turntable, with a scale which is Main scale Vernier scale Half degree scale None of these
4 A circular scale is attached and graduated in One degree 2 degrees Half degree None of these
5 Turn table is the plateform over which we place Diffraction grating Prism Glass slab a and b
6 The function of colimator is To converge the incoming rays To make the parallel rays from source In which the source of light is kept None of these
7 The different parts of spectrometer Collimator Turn table Telescope All of these
8 Spectrometer using diffraction grating can measure Wavelength of light Frequency of light Intensity of light None of these
9 Spectrometer can measure quite accurately prism Deviation of light by a glass prism Angle of prism Refractive index of the material of prism None of these
10 A spectrometer is an optical device used to study the spectra from different sources of light which is Absorption spectra Emission spectra  Discrete spectra None of these
11 In normal adjustment, the length of the telescope is f<sub>e</sub> + f<sub>o</sub> f<sub>o</sub> - f<sub>e</sub> f<sub>e</sub> - f<sub>o</sub> None of these
12 When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in Final adjustment Normal adjustment Initial adjustment None of these
13 When an image is placed at the focal length of the eye piece, the final image formed at 2 F 4 F 6 F Infinity
14 The image formed after objective lens of an astronomical telescope is Inverted Diminished Real All of these
15 In an astronomical telescope the eye piece has the focal length fe if Short Long Extremely long None of these
16 In an astronomical telescope is the objective has the focal length fo is Small Very small Long None of these
17 A simple telescope is consists of One convex lens Two convex lenses Three convex lenses None of these
18 In viewing the distant objects the angle subtended at the telescope is Smaller Bigger Very large None of these
19 Telescope is an optical device used for viewing Near objects Not far distance Distant objects b and c
20 If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is 200 240 260 280
21 If the focal length of the eye piece 25.0 mm find its magnification 12.0 14.0 - 11.0 - 13.0
22 If the focal length of objective is 10 mm find its magnification 18 19 20 21
23 A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses ≈ 200 mm ≈ 210 mm ≈ 213 mm ≈ 233 mm
24 A compound microscope is consists of objective of Long focal length and short focal length of eye piece Objective of very short focal length and eye piece of long focal length Objective of very short focal length end eye piece of also short focal length None of these
25 A compound microscope is consists of an eye piece  of focal length Short Very short Large Very large
26 A compound microscopes consists of objective of Very short focal length Large focal length Very large focal length None of these
27 A compound microscope is consists of One convex lens Two convex lenses Two concave lenses None of these
28 Whenever high magnification is desired A telescope is used A compound microscope is used A microscope is used None of these
29 Magnification of a convex lens is M = p/d M = p/q M = q/p None of these
30 If N is the number of rulings on the grating, then the resolving power in the mth order diffraction equals to R = N&nbsp;× m R = N/m R = m/N R = N&nbsp;× m<sup>2</sup>
31 The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources Angular magnification Resolution Magnification None of these
32 When the object is closer to eye or near point, the image becomes Sharp Clear visible Blurred None of these
33 The ratio of size of the image to the size of the object is called Resolving power Magnification Power None of these
34 If f = 5 cm and d = 25 cm then the magnification will be 2 4 5 6
35 The maximum size of an object as seen by the naked eye is obtained when it is placed of Far point Near point Distant point None of these
36 The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object Smaller Larger Very large None of these
37 As the object is brought from a far off point to he focus, the magnification goes on Increasing Decreasing Do not change None of these
38 The least distance of distinct vision changes with Time Health illness Age
39 The least distance of he distinct vision is 20 cm 22 cm 25 cm 30 cm
40 The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called Far point Near point distant point None of these
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