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CBSE Questions

Total Questions 9982
How many glass of milk should a boy of age 15 have to drink daily for nourishment?
Is there any experiment to show the photosynthesis of plants in our naked eyes?
What is organic chemistry
who invented electrometer?
what is the hindi name of hornbill
WHICH IS THE FIRST MISSILE OF NASA?
why is fresh water a critical resource
why is antarctica not suitable for human settlement
list the continents that the equater passes through
HOW is 8.529 expanded.
what is antarctica not suitable for human settlement
can you give me a short note on adivasis
WHICH IS THE FIRST MISSILE OF ISRO?
Please tell me about food and food adulteration. (1) What are the adulterants that added to food in the market today? (2) How does it effect our body? (3) Name any four food items and chemicals used in it. (4) Its effects on our health. (5) How does it alter the taste of our food? (6) What are the methods that we can adopt to counter this inadequacy?
The range and maximum height of a projectile are equal. a)A boy can throw a ball to a maximum height 10m.What is the maximum horizontal distance to which he can throw? b)Arrive an expression to find the velocity of a projectile thrown with an initial velocity u. angle teta after 't' second?
A ball is thrown vertically upwards from top of a tower with a velocity v. Another ball is thrown vertically downwards with same velocity v. Which ball will hit ground with greater velocity?Why?
An arrow shot from a bow is an example of projectile motion a)How does horizontal and vertical component in a projectile motion b)Obtain expression for the time of flight, horizontal range and maximum height for a particle with initial velocity u making angle teta with the horizontal?
A stone is thrown up with a velocity u vector which makes an angle teta with the horizontal a)What are the magnitudes of horizontal and vertical component of velocity? b)How do these components change with time? c)After 't' second what will be the magnitude and direction of the resultant velocity?
A boy throw a cricket ball with a velocity u at an angle teta with the horizontal a)At the heigest point what are the vertical and horizontal component of velocity?
A dimensionless unitless physical quantity A dimensionless quantity but have unit in SI system