Motion and Measurement of Distances

Which of the following is a standard unit of measurement?
1. Foot-step
2. Hand span
3. Metre scale
4. Fist span
Which of the following is not an example of rectilinear motion?
1. Running around a circular park
2. Rolling of a ball in straight line
3. Striking the striker in a game of carrom
4. Marching of soldiers
What is the least count of the scale in your geometry box?
1. 0.1 cm
2. 0.01 cm
3. 1 cm
4. 0.5 cm
Four pieces of wooden sticks A,B,C and D are placed along the length of 30 cm long scale. Which one of them is 3.4 cm in length?
1. A
2. B
3. C
4. D
Which of the following figure shows correct placement of a block along scale for measuring its length?
Which of the following is an example of periodic motion?
1. Motion of hands in a clock
2. Motion of the earth around the sun
3. Motion of a swing
4. All of these
Sita walks in a straight line and traces back her path to return to the starting point. Which of the following best describes her motion?
1. Rectilinear motion
2. Rectilinear and circular motion
3. Circular motion
4. Periodic motion
The S.I. Unit of length is
1. Metre
2. Kilometre
3. Centimetre
4. Millimetre
Which of the following distances can you not measure using a metre scale?
1. Length of a saree
2. Dimensions of a room
3. Dimensions of a basketball
  playground
4. Distance between two countries
What is the distance x in the below figure?
1. 4 cm
2. 3 cm
3. 2 cm
4. 1 cm