English
CISCE(English Medium) ICSE Class 9
Question Papers10
Textbook Solutions19273
Concept Notes & Videos320
Syllabus

A piece of metal has a mass of 540 g and a volume of 200 cm3. Calculate the density of the metal in correct significant figures. - Physics

Advertisements
Advertisements

Question

A piece of metal has a mass of 540 g and a volume of 200 cm3. Calculate the density of the metal incorrect significant figures.
Short Note

Solution

Mass of the metal = 540g
Volume = 200cm3
Density = mass of metal/ volume
= 540 /200 = 2.70 g/cm3

shaalaa.com
Simple Pendulum for Time
  Is there an error in this question or solution?
Q 53
Chapter 1: Measurement - Exercise 5 [Page 48]

APPEARS IN

Frank Physics [English] Class 9 ICSE
Chapter 1 Measurement
Exercise 5 | Q 53 | Page 48

RELATED QUESTIONS

The distance of a galaxy is 5·6 × 1025 m . Assuming the speed of light to be 3 × 108 `"ms"^-1`. Find the time taken by light to travel this distance . 
[Hint : `"Time taken" = "Distance travelled"/"speed"`]


How are the time period T and frequency f of an oscillation of a simple pendulum related ?


If the length of a simple pendulum is made one-fourth, then its time period becomes


A pupil determines the velocity of sound as 320 ms−1. If the actual velocity of sound is 332 ms−1, calculate the percentage error.


Calculate the time period of a simple pendulum of length 0. 84 m when g = 9.8 ms−2.


State three uses of a graph.


Complete the rollowing:
1 light year= ________ m


A person sitting on a swing stands up. The time period of swing:


Name the factors on which the time period of a simple pendulum depends. Write the formula for the time period in terms of the above named factors.

An alloy is made by mixing 540 g of copper of density 9 g cm-3 with 240 g of iron of density 8 g cm-3. Find the density of the alloy assuming that the volume of each metal does not change during mixing.

Share
Notifications

Englishहिंदीमराठी
Login
Create free account


      Forgot password?
Course
Use app×