ICSE Physics Class 10 Semester 1 Question Paper. We covered all the ICSE Physics Class 10 Semester 1 Question Paper in this post for free so that you can practice well for the exam.
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ICSE Physics Class 10 MCQs for Students
The velocity of light in a vacuum can be changed by changing :
(A) frequency
(B) wavelength
(C) amplitude
(D) none of these
Option d – none of these
A man in the air and a fish in water appear to be 30 cm from the surface. If the refractive index of water is 4/3, then the true depth at which the fish remain is :
(A) 30 cm
(B) 40 cm
(C) 50 cm
(D) 35 cm
Option b – 40 cm
The phenomenon of interference is shown by :
(A) longitudinal mechanical waves only
(B) transverse mechanical waves only
(C) electromagnetic waves only
(D) all the above types of waves
Option d – all the above types of waves
When viewed in white light, soap bubbles show colours because of :
(A) Interference
(B) Diffraction
(C) Dispersion
(D) Scattering
Option a – Interference
The intensity of light at a point is :
(A) directly proportional to the amplitude
(B) inversely proportional to the amplitude
(C) directly proportional to the square of the amplitude
(D) inversely proportional to the square of the amplitude
Option c – directly proportional to the square of the amplitude
The intensity of a beam of light is determined by its :
(A) velocity
(B) wavelength
(C) amplitude
(D) frequency
Option c – amplitude
In a wave disturbance, the distance between successive points that have the same phase is called :
(A) wavelength
(B) phase distance
(C) amplitude
(D) all of these
Option a – wavelength
Out of the following which colour a monochromatic beam cannot be obtained?
(A) Red
(B) White
(C) Green
(D) Blue
Option b – White
The intensity of a wave at a point is defined as the energy incident in a unit area :
(A) per unit of time in the normal direction
(B) per unit time in any direction
(C) in the normal direction
(D) any direction
Option a – per unit of time in the normal direction
Historically the speed of light was first determined by :
(A) Roemer
(B) Galileo
(C) Newton
(D) Foucault
Option a – Roemer
In a vacuum, the speed of light does not depend on
(A) the speed of the observer
(B) the speed of the source
(C) the frequency
(D) all of the above
Option d – all of the above
A straight line path of transfer of light energy is called :
(A) a beam of light
(B) a ray of light
(C) a wave normal
(D) both (B) and (C)
Option d – both (B) and (C)
A plane glass slab is kept over various coloured letters. The letter which appears least raised is :
(A) green
(B) red
(C) blue
(D) violet
Option b – red
Choose only the wrong statement out of the following :
(B) light travels in the form of energy
(C) the speed of light is greater than the speed of sound
(D) like sound, light cannot travel through a vacuum
An object looks red when seen through a piece of red glass. What is the actual colour of the object :
(A) red only
(B) white only
(C) blue only
(D) red or white
Option d – red or white
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