Home
Class 9
PHYSICS
The level of noise is measured in unit ....

The level of noise is measured in unit ..........
(dB, `Wm^(-2)` A)

Text Solution

Verified by Experts

dB
Promotional Banner

Topper's Solved these Questions

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (State whether the following statements are true or false:)|15 Videos

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (Answer the following questions is short:)|22 Videos

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (Fill in the blanks:)|9 Videos

  • QUESTION PAPER 03

    KUMAR PRAKASHAN|Exercise SECTION -D|3 Videos

  • WORK AND ENERGY

    KUMAR PRAKASHAN|Exercise QUESTION & ANSWER (ADDITIONAL NUMERICALS FOR PRACTICE)|50 Videos

Similar Questions

Explore conceptually related problems

C^(2)mN^(-1) is unit of ...... .

The density of a cube is measured by measuring its mass and the length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% , respectively, then find the maximum error in the measurement of the density of cube.

Two electromagnetic waves create (0, 0, 1) Vm and (-1,0,1) Vm^(-1) displacement at one point any instance. So resultant intensity at this point will be...... Wm^(-2)

1 joule of energy is to be converted into new system of units in which length is measured in 10 metre, mass in 10 kg and time in 1 minute. The numerical value of 1 J in the new system is :-

In a new system of units known as RMP, length is measured in 'retem', mass is measured in 'marg' and time is measured in 'pal'. 100 retem=1.0 meter 1.0 marg = 10^(-3) kilogram 10 pal=1.0 second In the given table some unit conversion factors are given . Suggest suitable match.

Time for 20 oscillations of a pendulum is measured as t_(1)= 39.6 s, t_(2) = 39.9 s and t_(3) = 39.5 s . What is the precision in the measurements ? What is the accuracy of the measurement ?