Class-IX - SSAPS Agra

Winter Break Assignment
Class-IX
Subject: English
Note: Write all the answers in your English note book.
1.
2.
The student’s council of your school has organized an excursion to Mathura for students of class IX during the
winter break. As President of the council, write a notice informing the students about the proposed excursion.
Answer the following questions.
a. Quelch was ambitious. What did he do to fulfill his ambition?
b. Why did the cadets live in terror of Quelch’ approach?
c. Describe the role of an infant and a boy?
d. How does a soldier behave?
e. What are the reasons for decay as per the poem?
f. How does the rain look in the beginning?
g. What is Persomis attitude towards her brother?
Subject: Hindi
Note: Write all the answers in your Hindi note book.
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Subject: Mathematics
Note: Write all the answers in your maths note book.
Subject: Science
Physics
1. What is the wavelength of the wave shown below?
2. The shortest wavelength emitted by a bat is about 3.3 mm. What is the corresponding frequency?
3.The audible frequency range for normal hearing is from about 20 Hz to 20kHz. What are the wavelength of sound
waves at these frequencies?
4. A stone is dropped into a well. The sound of the splash is heard is later. What 3s the depth of the well?
5. Diagnostic ultrasound of frequency 4.5 x 106 Hz is used to examine tumer in soft tissue.
a) What is the wavelength in air of such a sound wave?
b) If the speed of sound in tissue is 1500ms-1. What is the wavelength of this wave in tissue?
Chemistry
Q. Compare the properties of electrons, protons and neutrons.
Q. What are the limitations of J.J. Thomson model of the atom?
Q. Write experiment & observations of Rutherford's model of atom?
Q. What are the limitations of Rutherford's model of atom?
Q. Compare Thomson's, Rutherford and Bohr model of atom?
Q. Summarize the rules for writing of distribution of electrons in various shells for the first eighteen element?
Q. Write a table of first eighteen element with their atomic no., mass no., symbol, name, electron distribution and no.
of e, p and neutron?
Q. Define valency by taking examples of silicon and oxygen?
Q. Na+ has completely filled K and L shell explains?
Q. If Z=3, what would be the valency of the element? Also, name the element?
Subject: Social Science
Note: Write all the answers in your S.St. note book.
Q.1 Differentiate between Amateurs and Professionals.
Q.2 Cricket’s connection with a rural past can be seen in the length of a Test Match. How far is this statement trur?
Q.3 Which protective material shows technological change in cricket?
Q.4 How did cricket remain a colonial game?
Q.5 Give a brief description of cricket clubs in India.
Q.6 Which animals are found in the montane forests?
Q.7 State the main causes which are a threat to the ecosystem.
Q.8 Why are forest important for humans beings?
Q.9 Give a brief description of the Tropical Rain Forests.
Q.10 What does ‘Social exclusion’ mean?
Q.11 How do income inequalities exist within a family?
Q.12 How is poverty reduction expected to be better?
Subject: Computer
Note: Write all the answers in your practical file.
Q.1 Draw various types of charts with their names and mention their usage in Computer
World.
Q.2 Draw various types of slides with their names and write steps to create them.
Q.3 Create a list of various animation effects and elucidate it with the steps how to use it.
Q.4 Write the description of all the menus in power-point like (File, edit, Animation etc.)