Advertisements
Advertisements
प्रश्न
Explain the meaning of the term speed.
Advertisements
उत्तर
The distance covered or travelled by a body in one second is called the speed of the body, i.e.
Speed = `"Distance travelled "/"Time taken"`
Speed is usually denoted by the symbol v.
If a body travels a distance d in time t , then its speed is given as
Speed (v) = `d/t`
APPEARS IN
संबंधित प्रश्न
A piece of paper of dimensions 1.5 m × 20 cm has area ______.
Select the correct alternative
The correct relation is :
The length, breadth and height of a water tank are 5 m, 2.5 m and 1.25 m, respectively. Calculate the capacity of the water tank in (a) m3 (b) litre.
How long a train will take to travel a distance of 200 km with a speed of 60 km h-1 ?
State if the following statement is true or false:
The symbol used for a unit is always written in capital letters.
Answer the following in short.
What are the characteristics of a standard unit?
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
Answer the following in detail.
which is the most suitable unit for measuring the volume of a glass filled with water?
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
Match List I with List II.
| List I | List II | ||
| A. | Torque | I. | Nms-1 |
| B. | Stress | II. | J kg-1 |
|
C. |
Latent Heat | III. | Nm |
|
D. |
Power | IV | Nm-2 |
Choose the correct answer from the options given below:
