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Solution 3. (a) When force is at an angle θ to the direction of displacement, then work done, W= F S cos θ. (b) (i) For zero work done, the angle between force and displacement should be 90 o as cos 90 o = 0. W = FS cos90 o = FS x 0 = 0. (ii) For maximum work done, the angle between force and displacement should be 0 o as cos0 o = 1.
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Selina Solutions for ICSE Class 10 Physics (10th) Chapter 1: Force Concepts covered in Force are Centre of Gravity, Centrifugal Forces, Centripetal Force, Couple, Equilibrium of Bodies and Its Types, Force, Moment (Turning Effect) of a Force Or Torque, Principle of Moments, Translational and Rotational Motions, Uniform Circular Motion (UCM)
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The four pulleys can be used as three movable pulleys with one fixed pulley as shown in the diagram below: Assumptions are —. (i) The weight of the pulleys and the string is massless. (ii) There is no friction between the bearings of the pulley. Get solutions of ICSE Class 10 Concise Physics Selina Chapter 3: Machines.
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Class 10 - Concise Physics Selina Selina Solutions Concise Physics Class 10 ICSE ICSE Class 10 Physics 2022-23 Syllabus Chapters Chapter 1 Force Chapter 2 Work, Energy and Power Chapter 3 Machines Chapter 4 Refraction of Light at Plane Surfaces Chapter 5 Refraction Through a Lens Chapter 6 Spectrum Chapter 7 Sound Chapter 8 Current Electricity
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The ICSE Class 10th Physics Selina Concise Solutions contains 12 chapters of the prescribed current syllabus in ICSE Physics Class 10th textbooks. We provides ICSE Class 10 Physics Formula Chapter-Wise students to help them and score well in the Council examination.
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Answer. (a) 1 g ice at 0° C requires more heat to raise it's temperature to 10° C. (b) 1 g ice at 0° C requires more heat to raise it's temperature to 10° C because 1 g ice at 0° C first absorbs 336 J heat to convert into 1 g water at 0° C and then the water absorbs heat to raise it's temperature from 0° to 10° C.
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Solution 1 A lens is a transparent refracting medium bounded by two curved surfaces which are generally spherical. Solution 2 Lenses are of two types : (i)Convex or converging lens, and (ii)Concave or diverging lens. convex lensconcave lens Solution 3 Convex lens: (a) Thick in the middle thinner at the edges. (b)
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Using Selina Concise Physics Class 10 ICSE solutions Calorimetry exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Physics Class 10 ICSE.
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Chapter 1 - Force Chapter 2 - Work, Energy and Power Chapter 3 - Machines Chapter 4 - Refraction of Light at Plane Surfaces Chapter 5 - Refraction through a Lens Chapter 6 - Spectrum Chapter 7 - Sound Chapter 8 - Current Electricity Chapter 9 - Household Circuits Chapter 10 - Electro-Magnetism Chapter 11 - Calorimetry Solutions OLYMPIAD FOUNDATION
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Answer. (a) When force acts at an angle θ to the direction of displacement then work done is. W = F × S Cos θ. (b) (i) For work done to be zero the angle between force and displacement should be equal to 90° as cos 90° = 0. Therefore, product will also be zero. W = F × S Cos 90°. = 0.
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Class 10 - Concise Physics Selina Exercise 12 (A) Question 1 Name the three constituents of an atom and state mass and charge of each. How are they distributed in an atom? Answer The three constituents of an atom are electrons, protons and neutrons. The mass of an electron is 9.1 × 10-31 kg and charge is -1.6 × 10-19 C.
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Our Selina Concise Physics ICSE Class 10 Solutions cover chapters such as force, spectrum, household circuits, sound etc. These Physics solutions help you to remember the correct answers and understand the concepts quickly.
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(a) Name and state the law which relates the potential difference and current in a conductor. (b) What is the necessary condition for a conductor to obey the law named above in part (a)? (a) The law which relates the potential difference and current in a conductor is known as Ohm's law
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Solution 3. The ray of light which is incident normally on a plane glass slab passes undeviated. That is such a ray suffers no bending at the surface because here the angle of incidence is 0°. Thus if angle of incidence ∠i = 0°, then the angle of refraction ∠r = 0°. And the angle of deviation of the ray will also be 0°.
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Class 10 Selina Physics is a book with concise Physics syllabus. The book's language is clear with appropriate examples to help the students learn Physics concepts easily. As per the.
