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Major Physical Quantities and SI Unit

 


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GRAMMAR:-CONJUNCTION EXERCISES WITH ANSWERS SHEET-2

1. ______, you've got a chance, you might as well make full use of it. (A) Now that (B) After (C) Although (D) As soon as 2. She has not spoken to us _____ we had the argument. (A) as (B) so (C) while (D) since 3. _____ you refuse to pay the ransom, the kidnappers might hurt the child. (A) Lest (B) Unless (C) If (D) Or else 4. _____ he was about to fall asleep the telephone rang. (A) As (B) Since (C) Unless (D) So that 5. _____ the couple goes, their children follow them. (A) When (B) Where (C) If (D) Wherever 6. Father locked the garage door _____ no one could tamper with the car. (A) because (B) so that (C) for (D) lest 7. It was only when I reread his po...
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GRAMMAR:-Interjection Exercises With Answers Sheet-1

Interjections An interjection is a word that expresses sudden feelings: Joy, grief, surprise, praise, anger etc. Examples: 1. Hello! How are you? 2. Hurrah! We have won the match. 3. Alas! My granny is dead! 4. Hush! The baby is asleep. 5. Hurrah! We have won the tennis match. 6. Oh! I forgot to tell you something. 7. Ah! What a pleasant surprise. 8. Oh God! I got such fright. 9. Bravo! Well done. Interjections and their Expressions: Interjection Expression Hurrah! Joy Oh dear! borrow Alas! Ah! Sorrow Ugh! disgust Oh! Wonder Good heavens! horror Interjection Expression Bravo! Praise for goodness sake! anger Fie! Hatred Hello! address My goodness! Surprise Wow! Happiness Match the following columns: Column-A Column-B Hurrah! Sorrow Oh! Happiness Hello! Wonder Wow! Joy Alas! Address Fill in the blanks: 1. _____! How can you behave like this? 2. ______! I have secured first position in the class. 3. ______! I have won a prize. 4. ______! Did you hear me? 5. _______! ...
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Force

What is Force? Force can be defined as a push or a pull that changes or tends to change the state of rest or uniform motion of an object or changes the direction or shape of an object.  It causes objects to accelerate or add to their overall pressure. In simple terms, it is a push or a pull on an object that takes place when two objects interact. It is the basic cause of motion from rest. Unit of Measurement It is measured in ‘Newton’ (N). Newton measures the force needed to move, accelerate or speed up objects. The basic formula for it is, F = m.a, where, ‘m’ stands for the mass in kilograms and ‘a’ stands for acceleration in m/sec 2 .  It may also be measured in Pounds. Force is a Vector Quantity Types of Forces There are different types of forces in the Universe. Based on the nature of the interaction between two bodies, they  can be classified into two main categories viz. Contact Forces. Non-Contact Forces (Field Forces or Action at a D...
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