Physics Mid Term ICSE Class 10 | Physics Half Yearly Marathon Class 10 ICSE |
Educart ICSE Class 10 Question Bank:-
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Physics Mid Term ICSE Class 10 | Physics Half Yearly Marathon Class 10 ICSE | @sirtarunrupani
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1. Force, Work, Power and Energy
(i) Turning forces concept; moment of a force;
forces in equilibrium; centre of gravity;
(ii) Uniform circular motion.
As an example of constant speed, though
acceleration (force) is present. Differences
between centrifugal and centripetal force.
(iii)Work, energy, power and their relation with
force.
Definition of work. W FS = cosθ; Definition
of Power, P=W/t; SI and cgs units; other
units, kilowatt (kW), megawatt (MW) and
gigawatt (GW); and horsepower (1hp=746W)
[Simple numerical problems on work, power
and energy].
(iv) Different types of energy (e.g., chemical
energy, Mechanical energy, heat energy,
electrical energy, nuclear energy, sound
energy, light energy).
(v) Machines as force multipliers; load, effort,
mechanical advantage, velocity ratio and
efficiency; simple treatment of levers, pulley
systems showing the utility of each type of
machine.
Functions and uses of simple machines:
Terms- effort E, load L, mechanical
advantage MA = L/E, velocity ratio
VR = VE/VL = dE / dL, input (Wi), output (Wo),
efficiency (η), relation between η and MA, VR
(derivation included); for all practical
machines
Lever: principle. First, second and third class
of levers; examples: MA and VR in each case.
Examples of each of these classes of levers as
also found in the human body.
Pulley system: single fixed, single movable,
block and tackle; MA, VR and η in each
case.
(vi) Principle of Conservation of energy.
Statement of the principle of conservation of
energy; theoretical verification that U + K =
constant for a freely falling body.
2. Light
(i) Refraction of light through a glass block and a
triangular prism - qualitative treatment of
simple applications such as real and apparent
depth of objects in water and apparent bending
of sticks in water. Applications of refraction
of light.
Internal reflection: Critical angle;
examples in triangular glass prisms;
comparison with reflection from a plane
mirror (qualitative only). Applications of total
internal reflection.
(iii) Lenses (converging and diverging) including
characteristics of the images formed (using
ray diagrams only); magnifying glass;
location of images using ray diagrams and
thereby determining magnification.
(iv) Using a triangular prism to produce a visible
spectrum from white light; Electromagnetic
spectrum. Scattering of light.
Deviation produced by a triangular prism;
dependence on colour (wavelength) of light;
dispersion and spectrum; electromagnetic
spectrum: broad classification (names only
arranged in order of increasing wavelength);
properties common to all electromagnetic
radiations; properties and uses of infrared
and ultraviolet radiation. Simple application
of scattering of light e.g. blue colour of the
sky.
3. Sound
(i) Reflection of Sound Waves; echoes: their use;
simple numerical problems on echoes.
Production of echoes, condition for formation
of echoes; simple numerical problems; use of
echoes by bats, dolphins, fishermen, medical
field. SONAR.
(ii) Natural vibrations, Damped vibrations,
Forced vibrations and Resonance - a special case of forced vibrations.
Meaning and simple applications of natural, damped, forced vibrations and resonance.
(iii)Loudness, pitch and quality of sound:
Characteristics of sound: loudness and intensity;
4. Electricity and Magnetism
(i) Ohm’s Law; concepts of emf, potential difference, resistance; resistances in series and parallel, internal resistance.
(ii) Electrical power and energy.
Electrical energy; examples of heater, motor, lamp, loudspeaker, etc. Electrical power; measurement of electrical energy,
(iii)Household circuits – main circuit; switches; fuses; earthing; safety precautions; three-pin plugs; colour coding of wires. House wiring (ring system), power distribution;
(iv) Magnetic effect of a current (principles only, laws not required); electromagnetic induction
(elementary); transformer.
Oersted’s experiment on the magnetic effect of electric current; magnetic field (B) and field
lines due to current in a straight wire (qualitative only), right hand thumb rule – magnetic field due to a current in a loop; Electromagnets:
5. Heat
(i) Calorimetry: meaning, specific heat capacity;
principle of method of mixtures; Numerical
Problems on specific heat capacity using heat
loss and gain and the method of mixtures.
Heat and its units
C) Mutual relation between Heat Capacity
and Specific Heat capacity, values of C for
some common substances (ice, water and
copper).
(ii) Latent heat;