ICSE Speciman Class 10 Physics Sample Paper 2023 Solution
ICSE Board Class 10 Physics Sample Paper 2023 Solution www.cisce.org. New Sample Paper Solution ICSE Board 2023 Physics all Question Answers by Expert Teachers. Students of Class X who are preparing for Board Exam 2023 can solved here Physics Sample Paper.
Section – A
Question – 1
Choose the correct answers to the questions from the given options:
(i) S.I. unit of moment is:
(a) kgf.m
(b) Nm
(c) gf.m
(d) Ncm
Ans: (b) Nm
(ii) Which of the following is the correct expression for gain in kinetic energy, if initial velocity is not zero?
(a) K = 1/2 mv2
(b) K = mv2/4
(c) K = mv2/2t
(d) K = 1/2 m (v2 – u2)
Ans: (d) K = 1/2 m (v2 – u2)
(iii) The energy conversion, when an oscillating pendulum moves from mean to extreme position is:
(a) Kinetic to potential
(b) Potential to kinetic
(c) Potential to kinetic to potential
(d) Kinetic to potential to kinetic
Ans: (a) Kinetic to potential
(iv) Which of the following nuclear radiations can be stopped by a sheet of paper?
(a) Alpha
(b) Beta
(c) Gamma
(d) None of these
Ans: (a) Alpha
(v) When seven spectral colours passes through a glass block from air, then which one of the following statements is correct.
(a) In the glass block, speed of blue light > speed of yellow light.
(b) In the glass block, speed of green light > speed of orange light.
(c) In the glass block, speed of violet light > speed of red light.
(d) In the glass block, speed of orange light > speed of indigo light.
Ans: (d) In the glass block, speed of orange light > speed of indigo light.
(vii) The characteristics of sound which enables to differentiate between two sounds of different intensity is:
(a) Quality
(b) Amplitude
(c) Pitch
(d) Loudness
Ans: (d) Loudness
(viii) The ratio of the wavelength of A : wavelength of B is :
(A) Photo)
(B) (Photo)
(a) 5:2
(b) 1:2
(c) 2:1
(d) 2:3
Ans: (a) 5:2
(ix) The graph shows I against V relation for three conductors A, B and C. Choose the correct relation for the resistors of A, B and C. (Photo)
(a) RA > RB > RC
(b) RB > RC < RA
(c) RC > RB < RA
(d) RC > RB > RA
Ans: (d) RC > RB > RA
(x) Which of the following is the correct colour code of the three wires live, neutral and earth?
(a) Live: Green Neutral: Red Earth: Yellow
(b) Live: Brown Neutral : Red Earth: blue
(c) Live: Brown Neutral : Blue Earth : Yellow
(d) Live : Blue Neutral : Brown Earth : Green
Ans: (c) Live: Brown Neutral : Blue Earth : Yellow
(xi) When a conductor carrying current is placed in a magnetic field, perpendicular to it then the direction of the force experienced can be found out using:
(a) Lenz’s law
(b) Fleming’s left hand rule
(c) Flemings right hand rule
(d) Right hand thumb rule
Ans: (b) Fleming’s left hand rule
(xii) Choose the correct statement.
Latent heat absorbed:
(a) is independent of the mass of the substance.
(b) is directly proportional to the increase in the temperature of the substance.
(c) is directly proportional to the specific heat capacity of the substance.
(d) is directly proportional to the specific latent heat of the substance.
Ans: (d) is directly proportional to the specific latent heat of the substance.
(xiii) Which of the following liquids is most suitable for radiators in cars?
(a) Liquid P with specific heat capacity 4000 Jkg-1 K-1
(b) Liquid Q with specific heat capacity 2000 Jkg-1 k-1
(c) Liquid R with specific heat capacity 1500Jkg-1 K-1
(d) Liquid S with specific heat capacity 2100Jkg-1 K-1
Ans: (a) Liquid P with specific heat capacity 4000 Jkg-1 K-1
(xiv) While entering from medium A to medium B if light slows down then:
(a) ∠i < ∠r
(b) ∠i = ∠r
(c) ∠i > ∠r
(d) ∠i ≤ ∠r
Ans: (c) ∠i > ∠r
(xv) The phenomenon of light that causes the diamond to glitter is:
(a) Refraction
(b) Total internal reflection.
(c) Reflection.
(d) Absorption.
Ans: (b) Total internal reflection.
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