CBSE Class 12 - Economics Sample Question Paper With Marking Scheme (2014-15) (#cbseNotes)

CBSE Class 12 - Economics Sample Question Paper With Marking Scheme (2014-15) 

Sample Question Paper with answers and Marking Scheme.

Class 8/9/10 - English - 1 Hour Quick Exercise to Revise Active - Passive Voice (#cbseNotes)

1 Hour Quick Exercise
to Revise Active - Passive Voice

Here are 102 sentences in different tense forms. These will help you revise transforming active voice to passive voice (or vice versa).

Change the following sentences into passive voice.

① Present Indefinite Tense

⑴ I like this bike.
⑵ He does not fly kites.
⑶ Madhurima sings a song.
⑷ Do you love him?
⑸ Does she know you?
⑹ What do they want?
⑺ When do you see movies?
⑻ Who advises you?  
     

Answers:
⑴ This bike is liked by me.
⑵ Kites are not flown by him.

CBSE Class 8 - Science Periodic Assessment (2017) - Crop Production and Microorganisms (#cbseNotes)

CBSE Class 8 - Science Periodic Assessment (2017) - Crop Production and Microorganisms 

Sample Question Paper with some answers given below.

CBSE Class 12 - Chemistry Sample Question Paper with Answers (2014-15) (#cbsePapers) (#cbseNotes)

CBSE Class 12 - Chemistry Sample Question Paper with Answers (2014-15)

Sample Question Paper with Answers and Marking Scheme.

CBSE Class 9 - English (Communicative) - Poem - The Solitary Reaper (Reference To Context Questions) (#cbseNotes)

Poem - The Solitary Reaper (Reference To Context Questions)

CBSE Class 9 - English (Communicative)

Poet : William Wordsworth

Read the given extracts given below and answer the questions that follow:


1. Behold her, single in the field,
Yon solitary Highland lass!
Reaping and singing by herself;
Stop here, or gently pass!


Question 1: What is meant by single in the field?

Answer: It means that the girl is working alone in the fields.


Question 2: Who is the highland lass?

Answer: The Highland lass refers to a girl from the mountainous areas of Scotland.


Question 3: What draws poets attention to the girl?

Answer: The girl's song and her melodious voice draw the poet attention.


Question 4: Why does the poet ask his listeners to 'gently pass'?

Answer: Because he thinks the passers by might disturb her and she would stop singing.


Question 5: What is reaping?

Answer: Cutting down and gathering a crop such as corn or rice

CBSE Class 8 - Science - Friction (Assignment) (#cbseNotes)

Friction (Assignment)

Q1: Name the following:

⒜  Type of surfaces that produces minimum friction _____________

⒝  Type of surfaces that produce maximum friction  _____________

⒞  A shape that reduces drag _____________

⒟ Friction with minimum magnetic magnitude _____________

⒠  Friction with maximum magnitude _____________

⒡  Two types of fluids _____________

CBSE Class 11 - Physics - Work, Energy and Power (Assignment-1) (#cbseNotes)

WORK ENERGY POWER (Assignment-1)

Q1. A water pump lifts water from a level 10 m below the ground. Water is pumped at a rate of 30
kg/minute with negligible velocity. Calculate the minimum horse power the engine should have to
do this?

Answer: 6.6 × 10⁻² hp

Q2. A man weighs 60 kg. Calculate work done by gravity as he climbs a ladder of heights 5m.

Answer: -2940 J

Q3. A body of mass 0.3 kg is taken up an inclined plane of length 10 m and height 5 m, and then allowed
to slide down to the bottom again. The coefficient of friction between the body and the plane is 0.15
What is the
(a) Work done by the gravitational force over the round trip?
(b) Work done by the applied force on the upward journey?
(c) Work done by the frictional force over the round trip
(d) Kinetic energy of the body at the end of the trip?

Answer: zero, 18.5 J, -7.6J, 10.9J

Q4. A pump can throw up 10 quintals of coal per hour from a coal mine 120 m deep. Calculate the power of the engine in watt assuming that efficiency is 80%.

Answer: 408.3 watt