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Question 1
The range of values of ‘m’ such that the angle 
between the pair of tangents drawn from (m,0) to the circle 
satisfies 
, is
between the pair of tangents drawn from (m,0) to the circle satisfies , is
Question 2
If the variance of the data 5,6,7,8,9 is v then what is the variance of the data 15,18,21,24,27?
Question 3
The mean of 6 observations is 8 and that of 4 observations is 10. What is the mean of all the 10 observations?
Question 4
Direction: Consider the following frequency distribution
What is the median of the data?
Question 5
Direction: Consider the following frequency distribution
What is the mode of the given data?
Question 6
A green light is incident from the water to the air - water interface at the critical angle (
). Select the correct statement.
). Select the correct statement.
Question 7
Radius of 
nucleus is 3 f. the radius of 
nucleus will be
nucleus is 3 f. the radius of nucleus will be
Question 8
A metal block is exposed to beams of X- rays of different wavelengths x- rays of which wavelength penetrate most
Question 9
when temperature increases, the frequency of tuning fork
Question 10
The time period of a simple pendulum is T =
. The measured value of l is 20.0 cm known to 1 mm accuracy and time for 100 oscillations of the pendulum is found to be 90 s using a wristwatch of 1 s resolution. The accuracy in the determination of g is
. The measured value of l is 20.0 cm known to 1 mm accuracy and time for 100 oscillations of the pendulum is found to be 90 s using a wristwatch of 1 s resolution. The accuracy in the determination of g is
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Jun 24CDS & Defence
