# Formula booklet physics 11th

Sonali Hatalkar of Sr. Simple techniques were demonstrated in handling puppets and using them as an instructive tool in the classroom to engage the students effectively. Definition Acceleration The rate of change of velocity. Value can be found from the gradient of a velocity-time graph. A flow of 1 coulomb per second is 1 ampere Amplitude The maximum displacement of a point of a wave from rest position. Height of a crest or depth of a trough measured from the undisturbed position. For a sound wave, the greater the amplitude, the louder the sound.

Angle of incidence The angle between an incident ray and the normal to a surface Angle of reflection The angle between a reflected ray and the normal to a surface Angle of refraction The angle between a refracted ray and the normal to a surface Atmospheric pressure The air pressure in the earth's atmosphere.

Atmospheric pressure is about Pa near sea level and decreases with height above ground. Average speed The total distance traveled divided by the total time taken.

Boiling A process by which energy supplied changes a substance from liquid to gas without a change in its temperature. Cathode ray oscilloscope An instrument that enables a variety of electrical signals to be examined visually.

It is used for measuring direct current and alternating current voltages, short time intervals and frequency and for displaying waveforms Celsius scale A temperature scale where the lower fixed point is the ice point and the upper fixed point is the steam point Centre of gravity The point at which the entire weight of an object appears to act Condensation A process by which energy released changes a substance from gas to liquid.

Conduction The process by which thermal energy is transmitted through a medium from one particle to another. Convection The process by which thermal energy is transmitted from one place to another by the movement of the heated particles of gas or liquid.

Converging lens A lens that can bring a parallel beam of light passing through it focus to a point. It is thicker in the middle than at the edges. Coulomb C The SI unit of electric charge.

Crest The highest points on a wave Critical angle The angle of incidence in the optically denser medium for which the angle of refraction in the less dense medium is 90o Total internal reflection occurs when the angle of incidence is greater than the critical angle.

It is thicker at the edges than at the centre. Echo Reflected sound heard after an interval of silence. Electric current The rate of flow of charge.This insert page should not be sent to the examiner INSERT TO PHYA1/PHYA2 Turn over General Certificate of Education Advanced Subsidiary Examination Physics A Data and Formulae Booklet.

physics (classes xi –xii) The syllabus for Physics at the Higher Secondary Stage has been developed with a view that this stage of school education is crucial and challenging as it is a transition from general science to discipline-based.

This physics textbook is designed to support my personal teaching activi- ties at Duke University, in particular teaching its Physics /, /, or / series (Introductory Physics for life science majors, engineers, or po-. Mathematics SL formula booklet 5 Topic 4—Vectors Magnitude of a vector 2 22 v = ++vv v 12 3 Scalar product vw vw⋅= cosθ vw⋅= + +vw vw vw 11 2 2 3 3 Angle between two vectors cosθ vw vw Vector equation of a line ra b=+ t Topic 5—Statistics and probability.

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