NCERT Class 11 Physics Entrance Exams Questions & Answers
NCERT Class 11 Physics
NCERT Class 11 Physics Entrance Exams Questions and Answers
71 There are 20 divisions in 4 cm of the main scale. The vernier scale has 10 divisions. The least count of the instrument is
72 Electron volt is a unit of
73 The equation of state of some gases can be expressed as Vander wal equation i.e.
(P + a/v2)(V – b) = RT
Where P is the pressure, V is the volume, T is the absolute temperature and a, b, R are
constants. The dimensions of ‘a’ are:
74 Which of the following pairs has the same dimensions?
Answer: Impulse and Momentum
75 One watt hour contains how many joules?
76 At 4° C, the density of water is equal to
77 The dimensions of Kinetic energy is same as that of
78 The surface tension of a liquid is 70 dyne/cm. In MKS system its value is?
79 The dimensional formula for Planck’s constant is
80 Light year is a unit of