CLASS 9th PHYSICS NOTES 2011
ASALAM O ALAIKUM ,
AJ MAI AP SAB K LIYE PHYSICS K CHAPTER 1 K NOTES LE KAR AYA HUN
PHYSICS-AN INRODUCTION - 1
Fill in the blanks
1. Physics is that branch of Science, which deals with the study of properties of
_________ energy and their mutual relationships.
2. The study of motion and the physical effects which influence motion is
called_________
3. The branch of physics which deals with the physical aspects of audible sound
energy is called ___________
4. The branch of physics, which deals with the physical aspects of visible light, is
called ___________.
5. Matter is composed of atoms and molecules. The study of these properties is
called atomic and ______ physics.
6. The branch of physics, which deals with the study of the properties of isolated
nuclei of atoms, is called _______.
7. The study of specific properties of matter in solid form is called ____ physics
8. The study of the internal structure of the earth and activities like seismography is
called______________________
9. Every transport that we use for going to school i.e. the bus the car or the bicycle
contain an application of ____ in one way or the other
10. If one hand the atom bomb has emerged as a means for destruction and
devastation then on the other hand it has great ____ to meet our ever increasing
demands
11. If the process of research and quest continues in the field of physics the future
will be much more _____ than the present
12. The shadows of opaque objects are formed when they come in the path of light
because _____ travels in a straight line
13. The first step in scientific method is to make _____ of natural processes and to
collect the data about them
14. Experiment is an organized process which is used to test the truth of the _____
15. In the 20th century _____ declared that mass and energy the two concerns of
physics are forms of each other
16. Alberuni, ____ and ____ are the pioneer Arabs whose researches were
translated in to European languages
17. Ibn-ul- Haithem was born in ______in 965 A.D
18. The name of famous book written by Ibn-ul-Haithem on light is ______.
19. The laws of refraction was discovered by ___________
20. The famous book _______________ was written by Alberuni.
True/False Items
• Classify the following statements into True/ False
• The study of electromagnetic phenomenon and mutual relationship between
them is called sound.
• The branch of physics which deals with the branch of knowledge of heaven
bodies and interaction of matter and energy in space is called Astrophysics.
• The study of biological sciences on the basic principles of physics is called
Astrophysics
• If the man is ever able to control the fusion reaction then he would never face the
shortage of energy in the world for ever.
• After the careful analysis of a theory we can make predictions about certain unknown
aspects of nature.
• Light travels in a curved path.
• Ibn- ul- Haithem is known for his exceptional work in the field of optics
• The famous book kitab- ul- Astarlab is written by Dr. Abdus Salam..
• Alberuni was born in about 983 A.D.
• Yaqub Kundi was not a philosopher but also a great scientist and Physicist.
• Dr A. Salam got Nobel Prize on his work of combining two basic forces of nature.
• Muslim Scientists emphasized the importance of observation and
experimentation in the study of science.
• Muslims did not play an important role in the implementation and development of
science
• Laser is the field of atomic physics.
• There are hundreds of verses of the Holy- Quran in which Allah urges the
believers that they should study nature and act wisely.
• The shadow of a rectangular block will be a square.
• The study of science is based upon observations.
• On the basis of data collected through observations or experimentation we can
develop a hypothesis.
• A scientist is always an admirer of the truth and reality and has courage to negate
false theories.
• If the experimental result is in accordance with the prediction then this theory
becomes a hypothesis.
Multiple-Choice Test Items
Note: You are provided with five options in the following items. Select the most
appropriate one:
• The branch of physics, which deals with the study of motion and the physical
aspects, which influence them, is called.
• a. Mechanics b. Optics c. Sound d. Heat e. Kinematics
• The study of the properties of isolated nuclei of atom is called
• a. Plasma physics b. Nuclear physics c. Solid state physics d. Atomic physics
e. Astrophysics.
• The study of heavenly bodies and interaction of matter and energy in space is
• Called:
• a. Atomic Physics b. Nuclear Physics c. Geophysics
• d. Biophysics e. Astrophysics.
• The energy obtained by breaking up of 1 kg of uranium is equal to the energy
• Obtained from burning ____kg of coal.
• a. One million b. Two million c. Three million d. Four million e.
Five million.
• Albert Einstein declared that matter and _______are forms of each other.
• a. Sound b. Heat c. Light d. Waves e. Energy
• Ibn-ul-Haithem was born in 965 A.D in :
• Italy b. Basra c. Europe d. England e. France
• Al-Manazir was written by :
• Al-kundi b. Ibn-ul-Haithem c. Alberuni d. Dr. Salam e. Newton
• Ibn-ul-Haithem described the working and internal structure of _____in the book Al-
Manazir:
• a. Frog b. Brain c. Heart d. Human body e. Eye
o Prof. Dr. Abdus salam was awarded Nobel prize in
• a. 1979 b 1989 c 1990 d. 1991 e 1992
• The book Qanoon-ul-Masoodi was written by:
• a. Ibn-ul-Haithem. b Alberuni c. Dr. SalamYaqoob kundi e. Newton
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