Q. Which of the following statements about living and nonliving being is/are correct?
1. While living being can demonstrate growth and repair, non-living beings cannot.
2. While living being demonstrated metabolic processes, non-living being does not.
Select the correct answer using the code given below -
1) Only 1
2) Only 2
3) Both 1 and 2
4) Neither 1 nor 2
Q. The time period of a 1 m long pendulum approximates to --
1) 6 s
2) 4 s
3) 2 s
4) 1 s
Q. A ball is thrown vertically upward with a speed of 40 m/ s. The time taken by the ball to reach the maximum height would be approximately -
1) 2 s
2) 3 s
3) 4 s
4) 5 s
Q. What is the dimension of the gravitational constant?
1) [ML3T-2]
2) [M-1L3T-2]
3) [M2L-2T-2]
4) [M2L-1T-2]
Q. The magnetic field produced by a current-carrying straight wire at a point outside the wire depends -
1) inversely on the distance from it
2) directly on the distance from it
3) inversely at short distances and directly at large distances from it
4) directly on the distance (at short distances) and inversely on the distance (at long distances) from it
Q. What is the current required to light a 60 W incandescent bulb in a domestic supply of 240 V?
1) 0.5 A
2) 0.25 A
3) 1.0 A
4) 5.0 A
Q. Which one of the following correctly represents the SI unit of resistivity?
1) 8#8486;
2) 8#8486; /m
3) 8#8486; - cm
4) 8#8486; - m
Q. The frequency of an alternating current is 3 Hz. It implies that -
1) there are 6 cycles/s
2) there are 3 cycles/s
3) there are 2 cycles/s
4) there is only 1 cycle
Q. Which one of the following is the correct order of the valencies of elements Ne, Si, N, and Mg?
1) Ne
Q. The mass number of argon is 40. Which one of the following statements is correct?
1) The number of protons in argon is 22
2) The number of neutrons in argon is 18
3) The number of electrons in argon is 18
4) The sum of the numbers of protons and electrons in argon is 40
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