-
Q1. Consider the following statements about a typical 15-cm scale:
I. The smallest value of length that can be measured with it is 1 mm.
II. The 1-cm section is divided into 10 equal parts.
III. 1 mm = 0.1 cm.
Which statements are correct?
-
Q2. Consider the following statements about the handspan activity in Table 5.1:
I. Hardeep recorded 14 handspans for the table.
II. Padma recorded exactly 13 handspans.
III. Different readings imply the table's length is changing.
Which statements are correct?
-
Q3. Assertion (A): While reading a pencil's length on a scale, the eye must be directly above the tip of the pencil.
Reason (R): If the eye is to the left or right of the tip, the reading on the scale will be wrong.
-
Q4. Asha measures the length of her notebook and writes it as 24 cm 8 mm. Expressed in centimetres only, this length is
-
Q5. Consider the following statements about reference points:
I. The same object can be at rest with respect to one reference point and in motion with respect to another.
II. Without a reference point, motion cannot be defined.
III. The distance of a place changes if we change the reference point.
Which statements are correct?
-
Q6. Assertion (A): A passenger sitting in a moving bus is at rest with respect to another passenger seated next to him.
Reason (R): With respect to a tree on the roadside, the same passenger is in motion.
-
Q7. Consider three motions:
I. An eraser dropped from a certain height.
II. An orange falling vertically from a mango tree.
III. Students of Class 6 in a Republic Day march-past walking straight.
Which of these are examples of linear motion?
-
Q8. Assertion (A): An eraser tied to one end of a thread and whirled in a horizontal loop performs circular motion.
Reason (R): An object that moves along a circular path is said to be in circular motion.
-
Q9. In Activity 5.6 a thin metal strip is clamped on a table with books, its free end is pressed down and let go. The end then moves up and down. The motion of the free end is
-
Q10. Ravi notices that the rope of a skipping rope traces a closed loop, while the boy skipping it moves up and down. Which classification fits best?
-
Q11. Consider the following statements about how length is written:
I. A length has two parts — a number and a unit.
II. The symbol of a unit may be capitalised for emphasis (e.g. KM).
III. There should be a space between the number and the unit (e.g. 12 cm).
Which statements are correct?
-
Q12. Padma reads two consecutive kilometre stones: 'Delhi 70 km' and a little later 'Delhi 60 km'. Which conclusion follows?
-
Q13. Consider the following statements from the 'More to know' box of the chapter:
I. Angula, dhanusa and yojana are units mentioned in ancient Indian literature.
II. The angula is still used by traditional craftspeople like carpenters and tailors.
III. These units were never used in town planning or architecture.
Which statements are correct?
-
Q14. A Class 6 teacher asks students to choose instruments for three measurements:
I. Length of a pencil — a 15-cm scale.
II. Height of the classroom — a metre scale or a measuring tape.
III. Girth of a tree trunk — a rigid metre scale.
Which choices match the chapter's advice?
-
Q15. Ravi observes a cow grazing in a field and a tree in the same field. With the field as the reference, which statements are correct?
I. The cow is in motion because her position changes with time.
II. The tree is at rest because its position does not change.
III. The tree must be moving because the cow moves near it.