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CBSE Class 11-science Answered

The initial and final temperature of water was recorded as (56.3+- 0.4)°c and (27.5+-0.3)°c .determine the fall in temperature of water?
Asked by manjunakul235 | 23 Jun, 2023, 04:54: PM
answered-by-expert Expert Answer
Uncertaintity in fall in temperature is sum of uncertaintities of initial and final temperature. 
 
Fall in temperature  ΔT is 
 
begin mathsize 14px style increment T space equals space left parenthesis space 56.3 plus-or-minus 0.4 right parenthesis degree C space minus space left parenthesis 27.5 plus-or-minus 0.3 right parenthesis degree C space equals space left parenthesis space 28.8 plus-or-minus 0.7 space right parenthesis degree C end style
Answered by Thiyagarajan K | 23 Jun, 2023, 08:22: PM
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CBSE 11-science - Physics
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Asked by rajeshabirami27 | 07 May, 2024, 04:31: PM
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CBSE 11-science - Physics
A train starts from a station with a constant acceleration of 4 m/s2. Two seconds later another train passes the same station on the same line and in the same direction with a constant velocity. Find the velocity if the collision is first averted
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CBSE 11-science - Physics
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CBSE 11-science - Physics
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CBSE 11-science - Physics
.A SHM is expressed by the equation x = A cos (ωt + φ) and the phase angle φ =0. Draw graphs to show variation of displacement, velocity and acceleration for one complete curve in SHM.
Asked by sy123946 | 07 Apr, 2024, 04:23: PM
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CBSE 11-science - Physics
the dimension of stopping potential vo in photoelectric effect in units of plank's constant 'h',speed of light 'c' and gravitational constant 'G' and ampereA
Asked by derhebha955 | 03 Apr, 2024, 09:03: AM
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CBSE 11-science - Physics
In this que while solving it we take D F of alpha =D.F of beta.Why is it so?
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Asked by sumedhasingh238 | 29 Mar, 2024, 05:15: PM
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CBSE 11-science - Physics
In physics if 2 quantities are dimensionless then their dimensional formula are equal?
Asked by sumedhasingh238 | 28 Mar, 2024, 11:10: PM
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CBSE 11-science - Physics
7. State the relation between maximum range and maximum height of the projectile if the angle of projection is 45 deg
Asked by roshnibudhrani88 | 23 Mar, 2024, 05:52: PM
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CBSE 11-science - Physics
The second overtone of a pipe closed at one end has the same frequency as the third overtone of a pipe open at both ends. Compare the length of the pipes
Asked by emad.amd | 21 Mar, 2024, 12:00: PM
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