Physics Quiz 14

1 / 50

**According to Einstein, the gravitational interaction is possible between_______________?**

2 / 50

**A central force is that which__________________?**

3 / 50

**Joule Thomson effect is based upon __________ ?**

4 / 50

**The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________?**

5 / 50

**The dimension of elastic modulus is ___________________ ?**

6 / 50

**When K.E energy of SHM is maximum its__________________?**

7 / 50

**The equation ? = 1.22 ?/D was devised by_______________?**

8 / 50

**The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?**

9 / 50

**The speed of sound in hydrogen is _____________ time than that in oxygen?**

10 / 50

**The least distance of distinct vision for a normal eye is_______________?**

11 / 50

**Heating a magnet will ____________________?**

12 / 50

**Materials in which valence electrons are tightly bound to their atoms at low temperature are called___________________?**

13 / 50

**The mass-energy relation is the outcome of____________?**

14 / 50

**The operation of a transistor requires______________?**

15 / 50

**The scales of temperature are based on two fixed points which are_________________?**

16 / 50

**Farad is the unit of___________?**

17 / 50

**The linear momentum of an X-ray photon of wavelength 0.1A is_______________?**

18 / 50

**Study of living science relates with________?**

19 / 50

**An inductor may store energy in ________________?**

20 / 50

**The radius of geostationary orbit from the centre of the earth is nearly______________?**

21 / 50

**The mass-energy relation is the outcome of____________?**

22 / 50

**The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?**

23 / 50

**A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?**

24 / 50

**If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of______________?**

25 / 50

**The error in measurement may occur due to_________________?**

26 / 50

**Formation of large molecule by joining small molecules is_________________?**

27 / 50

**In laser production the state in which more atoms are in the upper state than in the lower one is called_____________?**

28 / 50

**The projection of the particle moving in a circle with non-uniform speed executes ?**

29 / 50

**The product of the frequency and time period is equal to_________________?**

30 / 50

**The value of ? for diatomic gas is_______________?**

31 / 50

**Speed of efflux can be determined by applying______________?**

32 / 50

**Diffraction fringes are____________________?**

33 / 50

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

34 / 50

**Smaller the least count of the instrument more is the measurement________________?**

35 / 50

**The blue colour of the sky is due to___________________?**

36 / 50

**When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?**

37 / 50

**The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?**

38 / 50

**We prefer mercury as a thermometric substance because______________?**

39 / 50

**Mach number is used in connection with the speed of___________?**

40 / 50

**CFC is used in _________________?**

41 / 50

**Centripetal force performs_______________?**

42 / 50

**Which one is a unit vector ?**

43 / 50

**The instrument used to measure blood pressure is called____________?**

44 / 50

**Maximum number of components of a vector may be________________?**

45 / 50

**A magnetic compass will be deflected if it is kept near a____________________?**

46 / 50

**The circumference subtends an angle________________?**

47 / 50

**Gravitation force of sun is__________?**

48 / 50

**The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________?**

49 / 50

**Radiations are used for the treatment of skin of a patient is_______________?**

50 / 50

**The velocity of sound is greatest in___________________?**

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