Physics Model for Class 11. We covered all the Physics Model for Class 11 MCQs in this post for free so that you can practice well for the exam.
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Physics Model for Class 11 Objective for Students
Which one of the following is not true about the image formed by a plane mirror?
(a) It is of the same size as the subject.
(b) It is laterally inverted.
(c) It is a real image.
(d) It is formed as far behind the mirror as the object is in front.
Option c – It is a real image
In a periscope, the two plane mirrors are kept:
(a) Parallel to each other
(b) Perpendicular to each other
(c) At an angle of 60° with each other
(d) At an angle of 45° with each other
Option a – Parallel to each other
Which one of the following combinations of source and screen would produce the sharpest shadow of an opaque object?
(a) A point source and an opaque screen
(b) An extended source and an opaque screen
(c) A point source and a transparent screen
(d) An extended source and a transparent screen
Option a – A point source and an opaque screen
If x is the temperature of a system in Kelvin and y is the temperature of the system in °C, then the correct relation between them is:
(a) x = 273-y
(b) x = 273 + y
(c) x = 173 + y
(d) x = 173-y
Option b – x = 273 + y
The resistivity ñ of a material may be expressed in units of:
(a) ohm
(b) ohm/cm
(c) ohm-cm
(d) ohm-cm²
Option c – ohm-cm
The electromagnetic waves, which are used for satellite communication, are:
(a) infrared radiations
(b) ultraviolet radiations
(c) radio waves
(d) visible lights
Option c – radio waves
The property of the sound waves that determines the pitch of the sound is its:
(a) Frequency
(b) Amplitude
(c) Wavelength
(d) Intensity
Option a – Frequency
Which one of the following is not a property of X-rays?
(a) They are deflected by electric fields.
(b) They are not deflected by magnetic fields.
(c) They have a high penetration length in matter.
(d) Their wavelength is much smaller than that of visible light.
Option a – They are deflected by electric fields
We covered all the physics model for class 11 mcqs above in this post for free so that you can practice well for the exam.
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