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The stationary waves consist of : Crests and troughs, Compression and elongations, Nodes and antinodes , Reflection and rarefraction
When one mirror of a Michelson interometer is removed distance of 0.5 mm 2000 fringes are observed the wavelength of light is used : 5000 m, 5000 A, 500 cm, 2000 A
The area between velocity time and the time axis is numerically is equal : Speed of object, Distance coverage by object, Average velocity of object, Acceleration of the object
The optical fiber is covered for protection by a : Glass Jacket, Plastic Jacket, Copper Jacket, Aluminium Jacket
International telecommunication satellite organization operates at microwaves frequency 4,6,8 and 10 Hz, 4,6,11 and 14 GHz, 4,6,8 and 12 Hz, 4,8,11 and 16 GHz
Which is the process in which temperature of the system remains constant : Isobaric process, Isochoric process, Isothermal process, Adiabtic process
When a body is whirled in a horizontal circle by mean of a string the centipal force is suppies Mass of body, Velocity of a body , Tension in the string, Centripetal acceleration
If the result of two vector each of magniture F is also of magniture F the angle between them 30 °, 60 °, 90 °, 120 °
A set of frequency which are multiples of the fundamental frequency are called : Doppler effect, Noda; frequency, Beat frequency, Harmonics
The pitch of sound depends upon : Intensity of sound , Loudness of sound, Wavelength of sound , Frequency of sound
The lower reading of blood pressure is called : Systolic pressure, Diastolic pressure, Normal pressure, Nno-normal pressure
When the projectile reaches the highest point of trajectory the vertical component of velocity become : Small, Maximum, Vicos 0, Zero
If a car moves with uniform speed of 2 m/sec in circle of radius 0.4 m its angular speed is : 4 rad/sec, 5 rad/sec, 1.6 rad/sec, 2.8 rad/sec
The value of solar constant is : 1.4 Kwm-2, 1.0 Kwm-2, 4.1 Kwm-2, 1 Kwm-2
The frequency of waves produced in microwave open is : 1435 Hz, 2450 MHz, 1860 MHz, 2850 Hz
A system does 600 J of work and at the same time has its internal energy increase by 320 j how much heat has been supplies : 280 j, 920 j, 600 j, 200 j
A light year is the distance light travels in one year how many meter are there in one light year : 9.5 x 10-13 m, 9.5 x 10 15 m, 9.5 x 10 15 cm, 9.5 x 10 15 Km
if a string is fixed at both end vibrates in n loops then wave length of l of string is given : nl/2, l/2n, 2l/n, 2l/v
The process of confining the beam of light to vibrate in one plane is called : Interference, Diffraction, Polarization , Total internal reflection
A bullet shot straight up returns to its starting point in 10 sec its initial speed was : 9.8 ms-1, 24.5 ms-1, 49 ms-1, 98 ms-1
If magnifying power of magnifying glass is 3 then focal length will be : 25 cm, 12.5 cm, 5 cm, 3 cm
Weight of a 60 kg man is moving elevator (downward) with constant acceleration of 1/2 g (g=10ms-1) 0, 300 N, 600 N, 200 N
The kinetic theory of gases suggest the average kinetic energy per molecule is : 1/2 KT, KT, 3/2 KT, 2 KT
The ratio of orbit velocity is : ?, 1/?2, 2A , 2
Resultant of two perpendicular vectors of equal magnitude say a will be : A , 2A, ?2A, A^2
In order to produce beat the two sound waves should have : The same amplitude, Slightly different amplitude, The same frequency, Slightly different frequency
When wave is reflected from the boundary of denser medium then phase of wave changes by : 0 °, 90°, 180°, 270°
The law of conservation of energy is the basis of : Stream line flow, Equation of continuity, Bernoullis equation, Venture relation
When a ball is thrown straight up the acceleration at its highest point is : Upward, Downward , Zero, Horizontal
one redian is equal : 2 ? rev, ?/4 rev, ?/2 rev, 1/2? rev
A body of mass 1.0 kg drop from the top of a tower of height 50 m, whar will be K.E 10 m below at the top 490 j, 49 j, 98 j, 980 j
When one mirror of a Michelson interometer is removed distance of 0.5 mm 2000 fringes are observed the wavelength of light is used : 5000 cm, 5000 A°, 500 cm , 2000 A°
The optical fiber is covered for protection by a : Glass Jacket, Plastic Jacket, Copper Jacket, Aluminium Jacket
For total assessment of uncertainty in the final result obtained by multiplication and division : Absolute uncertainties are add, Fractional uncertainties are added, % age uncertainties are added,