CBSE Class 9 - Physics - Chapter - Force and Laws of Motion (Worksheet) (#cbseNotes)

Force and Laws of Motion
(Worksheet)

Q: Fill in the blanks with suitable choice given in brackets.

1: The product of mass and velocity of a body is called __________. (momentum/force)


2: The property by the virtue of which an object tends to remain in the state of rest or of uniform motion unless acted upon by some force is called __________. (impulse/ inertia)


3: The SI unit of _________ is kilogram meters per second i.e. kg m/s (momentum/ force)


4: Momentum is a _________ (scalar/ vector) quantity and is directed along the __________ (direction/ magnitude) of velocity.


5: The total momentum of the bullet and the gun before firing would be _________ (zero/ positive / negative) because both of them ar at rest.

CBSE Class 12 - Chemistry - Chapter 1 - Solid State - Crystalline vs Amorphous Solids (#cbseNotes)

Crystalline Solids vs Amorphous Solids

Class 12 - Chemistry - Chapter 1 - Solid State

Crystalline Solids	Amorphous Solids
1. They have definite and regular geometry due to definite and orderly arrangement of atoms, ions or molecules in three dimensional space.	1. They do not have any pattern of arrangement of atoms, ions or molecules and thus, do not have any definite geometrical shape.
2. They have sharp melting points and change abruptly into liquids.	2. Amorphous solids do not have sharp melting points and do not change abruptly into liquids.

CBSE Class 9 - English Grammar - Tenses (Worksheet) (#cbseNotes)

Tenses

Worksheet (Holidays Homework)

Q Fill in the blanks in the following paragraphs with the most appropriate form of verbs.

1 My mother a)_______(do) a lot of work. She b)______(cook)food and c)________(clean) the house. Whenever I d)______(fallen) I'll, she looks after me well. She e)______(be) a religious person. She f) ______(narrate) many interesting stories from the Ramayana and the Mahabharata to us at bedtime. Right now, she is not at home.


2: I a)________. (run) for a bus when I b) ______ (hit) my foot on something on the pavement and c) _____ ( fall) over. I tried to get up but d)______( move ). I had terrible pain in my left foot. I e)_____( sprain) my ankle very badly. I was limping when some passers-by f)______(notice) me.

CBSE Class 8 - Science - CH4 Metals and Non-Metals (NCERT Exemplar Answers) (#cbseNotes)

Metals and Non-Metals 

NCERT Exemplar Answers

Multiple Choice Questions

Q1: Which of the following is not a metal?

(a) copper
(b) sulphur
(c) aluminium
(d) iron


Q2: The substance that will be flattened on beating with a hammer is

(a) crystal of iodine
(b) lump of sulphur
(c) piece of coal
(d) zinc granule

CBSE Class 8/9/10 - English Grammar - Sentence Correction - 1 (#cbseNotes) (#EnglishErrorSpotting)

Sentence Correction Worksheet - 1

English Grammar

Q: Following sentences are incorrect. Spot the error and write the correct sentence.

① Sita bought a bread.

② What is the cost of this shirt?

③ I saw beautiful sceneries in painting exhibition.

④ He is a noted dacoit.

⑤ What a luck!

CBSE Class 12 - Computer Science - C++ Practical Class Design Snippet-2 (#cbseNotes)

C++ Practical
Class Design Snippet-2

Question 2: Write a declaration for a class Person which has the following:

• data members name, phone
• set and get functions for every data member
• a display function
• a destructor

(i) For the Person class above, write each of the constructors, the assignment operator and the getName member functions. Use member initialization list as often as possible

(ii) Given the Person class above, write the declaration for the class Spouse that inherits from Person and does the following:

• has an extra data member spouseName
• redefines the display member function

(iii) For the Spouse class above, write each of the constructors and display member, functions. Use member initialization lists as often as possible.

Answer:

CBSE Class 12 Economics -Syllabus (2017-18) (#cbseNotes)

Economics -Syllabus (2017-18)

CBSE Class 12 Economics

Here presents the prescribed syllabus for Class 12 Economics for the curriculum 2017-18.