A packet contains silver powder of mass 20.23 g ± 0.01 g. Some of the powder of mass 5.75 g ± 0.01 g is taken out from it. The mass of the powder left-back is 

(1) 14.48 g ± 0.00 g 

(2) 14.48 ± 0.02 g

(3) 14.5 g ± 0.1 g

(4) 14.5 g ± 0.1 g

Subtopic:  Errors |
 84%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The radius of a sphere is (2.6 ± 0.1) cm . The percentage error in its volume is 

(1) 0.12.6×100%  

(2) 3×0.12.6×100%  

(3)  0.13×2.6×100% 

(4) 0.12.6%

Subtopic:  Errors |
 83%
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NEET 2023 - Target Batch - Aryan Raj Singh
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We can reduce random errors by 

(1) Taking large number of observations  

(2) Corrected zero error 

(3) By following proper technique of experiment 

(4)  Both (1) & (3) 

Subtopic:  Errors |
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NEET 2023 - Target Batch - Aryan Raj Singh
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The volume of a cube having sides 1.2 m is appropriately expressed as 

(1) 1.728× 106 cm3

(2) 1.7×106 cm3

(3) 1.8 × 106 cm3

(4) 1.73 × 106 cm3

Subtopic:  Significant Figures |
 70%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The number of significant figures in a pure number 410 is 

(1) Two 

(2) Three 

(3) One 

(4)  lnfinite 

Subtopic:  Significant Figures |
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NEET 2023 - Target Batch - Aryan Raj Singh
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The addition of three masses 1.6 g , 7.32 g and 4.238 g, addressed up to proper decimal places is 

(1) 13.158 g

(2) 13.2 g

(3)  13.16 g

(4) 13.15 g

Subtopic:  Significant Figures |
 81%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The area of a sheet of length 10.2 cm and width 6.8 cm addressed up to proper number of significant figures is:
1. \( 69.36 \mathrm{~cm}^2 \)
2. \( 69.4 \mathrm{~cm}^2 \)
3. \(69 \mathrm{~cm}^2 \)
4. \(70 \mathrm{~cm}^2\)

Subtopic:  Significant Figures |
 63%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The uncertain digit in the measurement of a length reported as 41.68 cm is 

(1) 4

(2) 1

(3) 6

(4)  8

Subtopic:  Significant Figures |
 59%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The number of significant figures in the measured value 0.0204 is 

(1) Five 

(2) Three

(3) Four 

(4) Two 

Subtopic:  Significant Figures |
 89%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The number of significant figures in the measured value 26000 is 

(1) Five 

(2) Two 

(3) Three 

(4) infinite 

Subtopic:  Significant Figures |
 63%
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NEET 2023 - Target Batch - Aryan Raj Singh
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