30 Questions
What is the gravitational acceleration on the surface of the Earth?
GπRρ
What is the approximate current in the circuit if the forward voltage drop for the diode is 0.5 V?
3.4 mA
What is the force constant of the spring system shown in the figure?
k1k2/(k1 + k2)
What is the power factor of a RC circuit if its frequency of AC signal is halved?
1/√5
What is the angular speed of the cubical block after it hits the ridge at point O?
3v/(2a)
What is the formula for critical velocity in a fluid flow?
vC = Nη/ρD
Which of the following statements is true about the measurements of the pipe's length?
Both measurements are equally accurate but not equally precise
What is the ratio of charges on the inner and outer surfaces of shell C?
-2/3
What are the charges on S1 and S2 after they are connected by a conducting wire?
4.5 μC and -4.5 μC
What is the net charge on the outer surface of shell C?
Zero
What is the horizontal component of the initial velocity of the projected body?
8 m/s
What is the direction of the initial velocity of the projected body?
tan⁻¹(6/8)
What is the number of folds in the paper?
10
How is the letter 'A' represented in the Matrix?
11, 23
What is the set of numbers for the word 'BEE'?
12, 15, 33
What is the code for 'DICK' in the given word code?
3579
What is the code for 'PIC' in the given word code?
657
What is the code for 'NIC' in the given word code?
507
What is the time period of the particle executing SHM?
9s
How much heat is required to raise the temperature of 2 moles of an ideal gas from 30℃ to 35℃ at constant volume?
60 cal
Which of the following has a mass closest in value to that of the positron?
Electron
What is the angular acceleration of the body undergoing circular motion whose angle turned is given by θ = θ0 + θ1 t + θ2 t^2?
2θ2
What can be asserted about a nucleus of 131I at time t = 0?
It has a 50% chance of decaying before t = 4 days
What is the probability that a nucleus of 131I will decay before t = 4 days?
50%
What is the rate of reaction when the concentration of X is 0.01M?
1.73 × 10^(-4) M/min
What is the correct order of acidity of the positions (X), (Y), and (Z) in the given compound?
(X) > (Z) > (Y)
What are the calculated magnetic moments (spin only value) for species [FeCl4]^(-), [Co(C2O4)3]^(-), and MnO4^(-) respectively?
4.90, 0, and 2.83 BM
How many hydroxyl groups are present in pyrophosphoric acid?
5
What is Z in the sequence of reactions involving benzene?
Benzaldehyde
What is the name of the reaction PCH3COOH + Cl2 → ClCH2COOH + HCl?
Hell-Volhard-Zelinsky reaction
Test your understanding of physics concepts, including gravitational acceleration and spring systems. Answer questions to assess your knowledge of these fundamental principles.
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