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IN a new system of units called star uni...

IN a new system of units called star units, 1 kg* = 10 kg , 1m* = 1km and 1s*= 1minute, what will be the value of 1J of energy in the new system?

A

`2.4xx10^(-5)J^(**)`

B

`3.6xx10^(-4)J^(**)`

C

`4.2xx10^(-3)J^(**)`

D

`4.2xx10^(-2)J^(**)`

Text Solution

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The correct Answer is:
b
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 24-Paper 1 (Physics and Chemistry)
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  4. A horizontal platform with an object palced on it executes simple horm...

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  5. The currect voltage relation of diode is given by 1=(e^(1000 V//T)-1) ...

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  6. The periodic time T of a simple pendulum are observed , for different ...

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  7. If wavelength of a sound wave in a medium is reduced by 50% , then the...

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  8. A string is producing transverse vibration whose equation is y = 0.021...

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  9. An open U-tube contains mercury. When 11.2 cm of water is poured into ...

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  12. A small spherical ball falling through a viscous medium of negligible ...

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  14. The paltes of a capacitor are separated by 5mm. A battery of 1 kV is c...

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  16. Iron and silicon wires are heated form 30^(@)C to 50^(@)C. The correct...

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