Physics Quiz 6

1 / 50

**A voltage V = V0 cos ?t is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?**

2 / 50

**A body can have constant velocity when it follows a_____________?**

3 / 50

**Gravitation force of moon is_________?**

4 / 50

**For ___________ flow the path of the fluid particles cannot be tracked?**

5 / 50

**The direction of the linear velocity of a body moving in a circle is______________?**

6 / 50

**Stokes law is applicable if body has __________shape?**

7 / 50

**The metastable state for an atom in laser light is_____________?**

8 / 50

**The function of collimeter in spectrometer is________________?**

9 / 50

**The most useful tracer is_________________?**

10 / 50

**Newton?s Third Law of Motion?**

11 / 50

**Specific resistance of a wire____________________?**

12 / 50

**What is the angle that the given vector makes with y-axis and A=2i+3j ?**

13 / 50

**When the amplitude of a wave becomes double its energy become_________________?**

14 / 50

**Who discovered the inverse square law for gravity ?**

15 / 50

**The symbol of the prefix used for Mega is_______?**

16 / 50

**An alpha particle can produce fluorescence in__________________?**

17 / 50

**In double slit experiment if one of the two slit is covered then________________?**

18 / 50

**The operational amplifier is______________?**

19 / 50

**The normal blood pressure range for a human body is______________?**

20 / 50

**Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is______________?**

21 / 50

**The formula of inter-conversion of centigrade and Fahrenheit scale is___________?**

22 / 50

**The velocity of sound in air would become double than its velocity at 0?C at temperature ?**

23 / 50

**Energy needed to magnetize and demagnetize is represented by _________________?**

24 / 50

**An electron enters a region where the electric field E is perpendicular to the magnetic field It will suffer no deflection if_________________?**

25 / 50

**The pressure exerted by a column of mercury 76cm high and at 0?C is called_______________?**

26 / 50

**In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?**

27 / 50

**The natural frequency of simple pendulum depends upon_______________?**

28 / 50

**Geostationary satellite completes one rotation around the earth in_______________?**

29 / 50

**With increase in temperature the electrical conductivity of intrinsic semi conductor___________________?**

30 / 50

**The time period of a second pendulum is______________?**

31 / 50

**A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire ?**

32 / 50

**Which one of the following bulbs has the least resistance ?**

33 / 50

**Gravitational P.E of a body has____________________?**

34 / 50

**Oil rises up to wick in a lamp because_____________?**

35 / 50

**Two parallel wires carrying currents in the opposite directions____________________?**

36 / 50

**A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?**

37 / 50

**The source of geothermal energy is___________________?**

38 / 50

**Which one is not an example of adiabatic process ?**

39 / 50

**Which quantity is a state function_______________?**

40 / 50

**At resonance the value of the power factor in an L-C-R series circuit is_______________?**

41 / 50

**According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?**

42 / 50

**What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m2 when the force acting on the wire is 5N ?**

43 / 50

**If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?**

44 / 50

**In p-n-p transistor the collector current is________________?**

45 / 50

**If an object is placed away from 2f of a converging lens then the image will be_______________?**

46 / 50

**A changing magnetic flux produces around itself an induced_______________?**

47 / 50

**At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?**

48 / 50

**According to Newton sound travel in air under the conditions of_____________________?**

49 / 50

**If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?**

50 / 50

**Which one is the correct representation of the unit of pressure ?**

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