CBSE Class 9 Science Physics Gravitation Notes
GRAVITATION NEWTON’S UNIVERSAL LAW OF GRAVITATION Every object in the Universe attracts every other object with a force which is (i) directly proportional to the product of their masses, and (ii) inversely proportional to the square of the distance between their centres.…
CBSE Class 9 Science Physics Force And Law Of Motion Notes
FORCE AND LAWS OF MOTION Force and Laws of Motion Chapter Notes Key Learning: 1. Force is a push or pull acting upon an object. 2. Balanced forces: The resultant of all the forces acting on a body is zero. 3. Unbalanced forces: The resultant of all the forces…
CBSE Class 9 Mathematics Revision Question Paper Set 14
CBSE Class 9 Mathematics Question Paper SA2 2013. Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations. …
CBSE Class 9 Physics Work And Energy Worksheet
Question. A light and a heavy body have equal kinetic energy. Which one is moving fast? Ans : The lighter body is moving fast. Question. State the relation between kWh and joule. Define 1 watt. Ans : 1 kWh – 1000 Wh = 1000 Js–1 × 60 × 60 s …
CBSE Class 9 Physics Sound Worksheet
INTRODUCTION - SOUND • Sound is a form of energy like heat energy, light energy, potential energy and kinetic energy. It causes a sensation of hearing in our ears. Th • The SI unit of sound is decibel (dB) representing sound pressure level (SPL). Decibel is a generic term…
CBSE Class 9 Physics Revision Worksheet
1- The school of a boy from his home is 1 km to the east. When he reaches back home, he says that he had traveled 2 km distance but his displacement is zero. Justify your answer. 2- Under what condition, the average speed is equal to the magnitude of the average velocity…
CBSE Class 9 Physics Motion Worksheet
Fill in the blanks : Question. when body covers equal distances in equal intervals of time then it is said to be having _____________________ Answer : Uniform Question. Displacement has both direction and magnitude for its complete description and these physical…
CBSE Class 9 Physics Gravitation Worksheet
Question. There are two kinds of balances i.e., a beam balance and a spring balance. If both the balances give the same measure of a given body on the surface of the earth, will they give the same measure on the surface of the moon? Explain. Answer. Beam balance…
CBSE Class 9 Physics Force And Laws Of Motion Worksheet
Question. What is Newton's First Law known as? The Law of A. Friction. B. Mass. C. Inertia. D. Gravity Answer: Inertia Question. Motions need an unbalanced net force to maintain A. True. B. False Answer: true Question. Which has more Inertia? (so need…
CBSE Class 9 Physics All Chapters Worksheet
CBSE Class 9 Physics Worksheet - All Chapters Worksheets have become an integral part of the education system. Worksheets are very critical for every student to practice his/ her concepts. Students, teachers and parents can download all CBSE educational material and…
CBSE Class 9 OTBA Physics Sample Question Paper
CBSE Class 9 OTBA Physics Sample Question Paper. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material…
CBSE Class 9 Physics Wind Power And Energy Worksheet
WIND, POWER AND ENERGY 1. Read the activities listed below. Reason out whether or not work is done in the light of your understanding of ‘work’. (a) Seema is swimming in the pond. (b) A donkey is carrying a load on his back. (c) A windmill is lifting water…
CBSE Class 9 Physics Thrust Pressure Archimedes Principle Relative Density Worksheet
PHYSICS: THRUST, PRESSURE, ARCHIMEDES PRINCIPLE, RELATIVE DENSITY 1. Explain: (a) Railway tracks are laid on large sized wooden or iron sleepers. (b) A sharp knife is more effective in cutting the object than a blunt knife. (c) A camel walks…
CBSE Class 9 Physics Question Paper Set E
CBSE Class 9 Physics Question Paper SA1 2011 (5). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations. 1. An…
CBSE Class 9 Physics Question Paper Set D
CBSE Physics Question Paper for Class 9 CBSE exams for CBSE Students. Based on CBSE and CCE guidelines. The students should practice these Question Papers to gain perfection which will help him to get more marks in CBSE examination. Please refer to more CBSE Class 9 question…