1.
__ is used to measure the pressure inside the eyes of a person.
2.
What is the commercial unit of electric energy?
3.
An electric generator and an electric motor work in the principle of:
4.
Which of the following has the same dimension as that of linear momentum?
6.
Decrease in which of the following factors leads to an increase in the rate of evaporation?
7.
Match the points under List I with those under List II.
8.
“Svedberg Unit” is a unit of _?
9.
One calorie of heat energy is equivalent to approximately __ joules of mechanical Energy.
10.
Which of the following types of mirrors show a lateral inversion of light?
11.
The Wind Vane instrument measures the _.
12.
Which of the following cells is NOT used in watches?
13.
How is the voltmeter connected across the points between which the potential difference is to be measured?
14.
According to the Nebular hypothesis, how does a galaxy form?
15.
Which of the following pair of position of object – position of image – size of image, is NOT correct for concave mirror?
16.
If ‘u’ is the object-distance, ‘v’ is the image-distance and ‘f’ is the focal length of a spherical mirror then which of the following is a correct expression for the mirror formula?
17.
Which of the following is a unit of distance?
18.
The radius of curvature of a charged particle’s passage in a homogeneous magnetic field is proportional to:
19.
A set of equations involving electric and magnetic fields, and their sources, the charge and current densities are known as __ equations.
20.
‘(gnomon)’ is a part of the __ .
21.
Weber per second is equivalent to __ .
22.
What is the numerical value of a physical quantity?
23.
Which measuring instrument consists of a metal triangular frame supported on three legs, used to measure the radius of curvature of an object such as lenses and curved mirrors which are spherical in shape?
24.
Name the instrument that is used by meteorologists to measure the solar radiation from the region of the hemisphere of incidence on a flat surface?
25.
Which everyday morning ritual is part of quantum mechanics?
26.
Which of the following elements occurs most abundantly in our universe?
27.
Air __ on heating and __ on cooling.
28.
In the Millikan’s Oil Drop experiment, the oil drop is subjected to such forces whose nature does NOT fall under the category of:
29.
In 1928, which equation was derived and combines quantum theory and special relativity to describe the behaviour of an electron moving at a relativistic speed?
30.
Electron-volt is a unit of __.
31.
Which of the following is the physical quantity for the expression arc/radius?
32.
Which among the following is a unit of measurement that describes the rate at which the universe is expanding?
33.
Identify an application in which solar cells are not used.
34.
Ball and spring model of chemical bonds obey :
35.
Which of the following claims concerning the magnetic lines of force inside a bar magnet is true?
36.
‘mho’ is the unit of __ of a substance.
37.
What is the unit to measure the wavelength of light?
38.
Which of the following is the correct formula for moment of inertia?
39.
What is the full form of LED?
40.
In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?
41.
Which equation was verified by American scientists Nichols and Hull in 1903 by measuring the radiation pressure of visible light?
42.
Of the units mentioned in the options, which one is the largest as compared to the others?
43.
30˚Celcius = __ Kelvin (approximately).
44.
The difference in temperature between two bodies is 30 degree centigrade. What is the difference in degree Fahrenheit?
45.
Which physical unit is defined as the field intensity that produces one newton (N) of force per ampere (A) per meter of the conductor ?
46.
What is the starting voltage of an AA battery used for home gadgets such as remote controls, small toys, and wireless kitchen appliances?
47.
The phenomenon of deviation of light rays from their original path, when they pass from one medium to another, is called __.
48.
The unit of magnetic intensity in the CGS (centimetre-gram-second) system is _ .
49.
In terms of SI prefixes 10−15 is called:
50.
What is the name of the thermionic electron tube used to oscillate and amplify microwave frequency signals?
