Advertisements
Advertisements
प्रश्न
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in the following figure.
The length of the ribbon is between
पर्याय
1.15 m - 1.25 m
1.25 m - 1.35 m
1.50 m - 1.60 m
1.60 m - 1.70 m
Advertisements
उत्तर
1.25 m - 1.35 m
Explanation:
The length of five times folded ribbon = (27.5 - 2) cm × 5
= 1.275 m
Which lies between 1.25 m - 1.35 m
APPEARS IN
संबंधित प्रश्न
How is nanometer related to Angstrom?
A boy makes a ruler with graduations in cm on it, (i.e. 100 divisions in 1 m). To what accuracy this ruler can measure? How can this accuracy be increased?
State or define the following term:
Year
Complete the rollowing:
1 parsec= _____ ly
Complete the rollowing:
1 u = ____ kg
Are senses reliable for accurate measurement?
Quantity that can be measured is called ____
Three students measured the length of a corridor and reported their measurements. The values of their measurements were different. What could be the reason for difference in their measurements? (Mention any three)
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, and C as shown below.
Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. The density of A is double that of C.
Now answer the following questions.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, C as shown below. Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C.
Now answer the following question.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
