Vector Quantity

Q.

What are the $5$ types of measurements?

Q.

What is physical quanties in physics? What are its two types scalars and vectors? How can we classify any physical quantities into scalars and vectors? Please explain clearly and little bit in an easy manner so that i can understand it properly especially scalars and vectors.

Q. What are the causes of errors in measurement?

1. Not using the correct device.
2. Not using the device properly.
3. Measuring through a standard measuring device.
4. Not taking the measurement correctly.

Q.

A broken scale is used to measure the length of a stick, and the reading is directly noted down by looking at the scale from a position directly above it. Which of the following is correct?

1. The measured length is correct.

2. The measured length is incorrect because of parallax error.

3. The measured length is incorrect because of zero error.

4. The measured length is correct because of parallax error.

Q. A quantity which is expressed by magnitude and direction is called a ________ quantity.

1. physical
2. vector
3. scalar
4. fundamental

Q.

The rate of change of displacement with time is called __

1. speed

2. velocity

3. acceleration

4. retardation.

Q. What is the least count of temperature?

Q. Which of the following is/are vector quantities?

1. Weight
2. Length
3. Velocity
4. Speed

Q. Which of the following statement/s is/are examples of vector quantities?

1. A displacement of 10 km towards the North.
2. The temperature of a body is ${103}^{\circ }C.$
3. Length of a tunnel is 5 km.
4. Aeroplane is travelling from Kolkata to Mumbai with a speed of 500 km/hr.
   

Q.

What are scalar and vector quantities? Name two scalar and two vector quantities.

Q.

Scalar quantities are expressed in

1. magnitude only

2. direction only

3. magnitude and direction

4. none of the above

Q.

Define scalar and vector quantities. Give some examples.

Q.

Vector quantities are expressed in

1. magnitude only

2. direction only

3. magnitude and direction

4. none of the above

Q. 'Ben is a traveller who is cruising at 40 km/hr towards North'. Which part/s of the statement depicts that the quantity being stated is a vector quantity?

1. 'cruising at 40 km/hr'
2. 'towards North'
3. 'Ben is a traveller'
4. None of the above.

Q.

Which of the following is not a vector quantity?

1. Displacement

2. Acceleration due to gravity

3. Velocity

4. Speed

Q.

Is displacement a scalar quantity ?

Q. tvernier calipers

Q.

Name the term given below:

Quantity that has both magnitude and direction.

Q. Which of the following is not a vector

1. ​​​​​​Distance
2. Speed
3. Mass
4. All the above

Q. A is a vector of magnitude 2.7 units due east . What is the magnitude and direction of vector 4 A vector.

Q.

Which of the following can be a cause for errors in measurents?

1. 
2. 

3. Colour of the object

4. Measuring device is not being used by us properly.

Q. What are the major cause of errors in measurement? Explain with help of examples. [3 Marks]

Q. Identify the type of error in measurement for the following cases. (3 marks)

Q. Vector quantities have _____.

1. magnitude only
2. direction only
3. neither direction and magnitude
4. both magnitude and direction

Q. The error due to resolution of a measuring instrument is:

1. personal error
2. systematic error
3. gross error
4. random error

Q. Which of the following is/are vector quantities?

1. Mass
2. Acceleration
3. Time
4. Displacement

Q.

Which of the given vector is a negative vector?

1. Vector A

2. Vector B

3. There is no such thing as Negative Vector

4. None of these

Q. Displacement is a __________ quantity

1. vector
2. can be scalar or vector
3. neither scalar nor vector
4. scalar

Q. Which of the following is/are required to completely specify length?

1. Only unit
2. Only magnitude
3. Neither magnitude nor unit
4. Both magnitude and unit