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ICSE Class X Board Exam 2024 : Mathematics

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ICSE EXAMINATION PAPER - 2024 PHYSICS Class-10th (Solved) Maximum Marks: 80 Time allowed: Two hours Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of this Paper is the time allowed for writing the answers. Section A is compulsory. Attempt any four questions from Section B. The intended marks for questions or parts of questions are given in brackets [ ]. SECTION A - 40 MARKS (Attempt all questions from this Section.) Question 1 [15] Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.) (i) When a bell fixed on a cycle rings, then the energy conversion that takes place is (a) gravitational potential energy to sound energy (b) kinetic energy to sound energy (c) sound energy to electrical energy (d) sound energy to mechanical energy (ii) A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is (a) 5 N (b) 10 N (c) 20 N (d) 0.2 N (iii) A force F moves a load from A to C as shown in the figure below. For the calculation of the work done, which of these lengths would you use as the displacement? Reason (R): Wavelength of ultraviolet radiation is more than the wavelength of microwave radiation. (a) Both A and R are true. (b) A is true but R is false. (c) A is false but R is true. (d) Both A and R are false. (vi) When the stem of vibrating tuning fork is pressed on a table, the tabletop starts vibrating. These vibrations are definitely an example of (a) resonance (b) natural vibrations (c) forced vibrations (d) damped vibrations (vii) Which of the following is a class III lever? (a) Pair of scissors (b) Wheelbarrow (c) Crowbar (d) Human forearm (viii) The specific resistance of a conductor depends on its (a) length (b) material (c) area of cross section (d) radius (ix) Identify the option that displays the correct wiring with correct colour code (a) (b) (a) 3 m (b) 4 m (c) 5 m (d) 7 m (iv) A radioactive nucleus containing 128 nucleons emits a b-particle. After b-emission the number of nucleons present in the nucleus will be (a) 128 (b) 129 (c) 124 (d) 127 (v) Assertion (A): Ultraviolet radiations are scattered more as compared to the microwave radiations.

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