NCERT Solutions Class 11 Physics Chapter 5. We covered all the NCERT Solutions Class 11 Physics Chapter 5 MCQs in this post for free so that you can practice well for the exam.
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NCERT Solutions Class 11 Physics Chapter 5 Objective for Students
When a convex lens produces a real image of an object, the minimum distance between the object and image is equal to:
(a) the focal length of the convex lens
(b) twice the focal length of the convex lens
(c) four times the focal length of the convex lens
(d) one-half of the focal length of the convex lens
Option c – four times the focal length of the convex lens
The direction of the magnetic field at any location on the earth’s surface is commonly specified in terms of:
(a) field declination
(b) field inclination
(c) both field declination and field inclination
(d) the horizontal component of the field
Option c – both field declination and field inclination
Which one of the following can extinguish the fire more quickly?
(a) Cold water
(b) Boiling water
(c) Hot water
(d) Ice
Option b – Boiling water
In which of the following, heat loss is primarily not due to convection?
(a) Boiling water
(b) Land and sea breeze
(c) Circulation of air around a blast furnace
(d) Heating of a glass surface of a bulb due to current in the filament
Option d – Heating of a glass surface of a bulb due to current in the filament
Which of the following causes adiabatic temperature changes in the atmosphere?
(a) Deflection and advection
(b) Latent heat of condensation
(c) Expansion and compression of the air
(d) Partial absorption of solar
Option c – Expansion and compression of the air
The term LASER stands for
(a) Light Amplification by Stimulated Emission of Radiation
(b) Light Amplification by Spontaneous Emission of Radiation
(c) Light Amplification by Stimulated Emission of Rays
(d) Light Amplification by Stimulated Energy of Radiation
Option a – Light Amplification by Stimulated Emission of Radiation
Which one of the following processes is not a part of long-wave radiation?
(a) Conduction
(b) Scattering
(c) Convection
(d) Radiation
Option b – Scattering
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