# User Forum

Subject :NSO    Class : Class 6

Which of the following statements is incorrect?

A Motion of a vehicle on a straight road is not rectilinear motion.
B Motion of honeybees is the example of random motion.
C Cubit is the length of a forearm.
D Centigrade is not the SI unit of temperature.

Class : Class 6

## Ans 2:

Class : Class 7
kelvin is the SI unit of temperature so option D is correct and A is also correct because rectilinear motion is motion in a straight line like a car moving on a straight road

## Ans 3:

Class : Class 9
A option is the correct answer

## Ans 4:

Class : Class 9
well this question sound confusing to alli will go with the child from phoenix schoolbecause a is correct because as mentioned in synopsis of this chapter that example of rectlinear motion is a car driving on a straight roadbut option b shoul also be the option as the kelvin is the si unit of tempreature

## Ans 5:

Class : Class 9
D is only correct and not A. So, A is the correct answer

## Ans 6:

Class : Class 10
Kelvin is the SI unit of temperatureSo both A and D are in correct

Class : Class 7

Class : Class 6

## Ans 9:

Class : Class 8
why A is correct and not incorrect because a vehicle need not go in rectilinear path on a straight road it can go zigzag as well

## Ans 10:

Class : Class 8
A, B, D are correct....incorrect is C. Because forearm is the length of the arm between elbow joint and wrist joint but the cubit is length from tip of elbow to the tip of the middle finger. so forearm length is smaller than the cubit. So answer is option C

Class : Class 9

## Ans 12:

Class : Class 9
question is wrong . the question should be which of the following are correct ?

Class : Class 9