þÿvar mock = new Array(); var t = 0;

mock[t++] =('10#12# 1 of 50 <br><br>Magnetic moment of a rod of length L is M. If the rod is bent into a semicircle, then the magnetic moment of the rod is #4M#M /4#2M/À#2M#');



mock[t++] =('15#88# 2 of 50 <br><br>In the induction coil, across secondary coil, the output voltage is practically#unidirectional, high, intermittent.#directional, low, intermittent.#unidirectional, high, constant.#unidirectional, low, constant.#');



mock[t++] =('38#22# 3 of  50 <br><br>8 gm of radioactive substance decay into 0.5 gm in 1 hour. Half life of substance is#45 sec#10 sec#15 sec#30 sec#');



mock[t++] =('37#37#4 of 50 <br><br>Maximum energy evolved during which of the following transistion? #n = 1 to n = 2#n = 2 to n = 1#n = 2 to n = 6#n = 6 to n = 2#');



mock[t++] =('25#83# 5 of 50 <br><br>A body cools from 100° C to 70° C in 8 minutes. If temperature of surrounding is 15° C, then time required for body to cool from 70° C to 40° C is#14 sec#10 sec#8 sec#5 sec#');



mock[t++] =('37#57# 6 of 50 <br><br>The optical path difference between the two identical waves arriving at a point is 0.05 cm. If wavelength of light used is 5000 A, then the number of dark fringes passing through that point will be #10#1000#100#10000#');



mock[t++] =('38#77#7 of 50 <br><br>By keeping moment of inertia of a body constant, if we double the time period, then angular momentum of body#Remains constant#Doubles#Becomes half#Quadruples#');



mock[t++] =('8#62#8 of 50 <br><br>If magnetic length of magnetic dipole is 10 cm, then geometric length is #12 cm#10 cm#8 cm#14 cm#');



mock[t++] =('32#12#9 of 50 <br><br>Length of a organ pipe open at both end is 33.3 cm. If velocity of sound is 333 m/sec. then the frequency of fifth overtone is#3000 Hz#2500 Hz#1500 Hz#1250 Hz#');



mock[t++] =('19#62#10 of 50 <br><br>A charge q, and mass  m, is fired perpendicular to a magnetic field (B) with a velocity v. The frequency of revolution of the charge is#2À/Bq#2À Bq/m#2Àm/Bq#Bq/2Àm#');



mock[t++] =('21#73# 11 of 50</b> <br><br>Banking of roads is independent of#radius of the path#mass of the vehicle#acceleration due to gravity#maximum velocity of the vehicle around#');



mock[t++] =('39#79#12 of 50 <br><br>If ,the distance between the earth and sun becomes, 1/4th, then its period of revolution. around the sun will become #6Hr#8Hr#16Hr#3Hr#');



mock[t++] =('31#83# 13 of 50 <br><br>If the liquid is rising in a capillary, then angle of contact is#Obtuse#Acute#180°#90°#');



mock[t++] =('10#43# 14 of 50 <br><br>Starting from the extreme position, the time taken by an ideal simple pendulum to travel a distance of half the amplitude is#T/6#T/12#T/3#T/4#');



mock[t++] =('16#78#15 of 50 <br><br>The range of an ammeter, of resistance G, is increased from I to nl. This can be done by connecting#a series resistance of Gn#a parallel resistance ofG/(n-1)#a series resistance of G(n-1)#a parallel resistance of G/n#');



mock[t++] =('57#64#16 of 50 <br><br>The period of oscillation of a mass, M , hanging from a spring of force constant k is T. When additional mass m is attached to the spring. the period of oscillation becomes 5T/4. m/M =#9: 16#25: 16#25:9#16:9#');



mock[t++] =('37#19# 17 of 50 <br><br>A magnet, when suspended in an external magnetic field, has a period of oscillation of 4 sec. When it is cut length wise, and suspended in the same magnetic field, the period of vibration will be#2"2 sec#2 sec#4"2 sec#8 sec#');



mock[t++] =('34#62# 18 of 50 <br><br>Pressure at the triple point of water is#4 N/m2#760 mm ofHg#5440Pa#0.544 mm ofHg#');



mock[t++] =('19#12#19  of 50 <br><br>A square frame of length L is immersed in soap solution and taken out. The force experienced by the square plate is#TL#2TL#4TL#8TL#');



mock[t++] =('17#82# 20 of 50 <br><br>A sonometer wire is in unison with a tuning fork. When its length increases by 4%, it gives 8 beats per sec with the same fork. The frequency of the fork is#196 Hz#200 Hz.#204 Hz#208 Hz#');



mock[t++] =('28#98# 21 of 50 <br><br>When sound is reflected from a denser medium#Crest is reflected as a trough#Crest is reflected as a crest#Compressiort is reflected as a rarefaction#Ccompression is reflected as a compression#');



mock[t++] =('34#27# 22 of 50 <br><br>The phase difference between two particles in a medium separated by a distance x is n/6. If the frequency of the oscillation is 50Hz and the velocity of propagation of the wave is 100m/s, then x =#1/3m#1/4m#1/6m#1/12m#');



mock[t++] =('42#98# 23 of 50 <br><br>A coil of self inductance 20mH, having 50 turns, carries a current of 300mA. If the area of the coil is 2cm2, the magnetic induction at the centre of the coil is#7.5 x 10.3 T#7.5 x 10 2 T#6 x 10.1 T#0.5 T#');



mock[t++] =('50#54# 24 of 50 <br><br>If the pressure of an ideal gas decreases by 10%, isothermally, then its volume will#decrease by 9%#increase by 10%#increase by 11.6%#increase by 9%#');



mock[t++] =('12#67# 25 of 50 <br><br>In SHM, graph of which of the following is a straight line?#T.E against displacement#P.E against displacement#acceleration against time#velocity against displacement#');



mock[t++] =('37#82#26 of 50 <br><br>Internal latent heat is defined as#amount of heat needed todo work against external pressure#amount of heat needed to do to work against intermolecular force#amount of heat needed to increase the K.E of the molecules.#Heat needed to change the state of a substance.#');



mock[t++] =('38#68# 27 of 50 <br><br>A pipe, of length 10cm, closed atorie, has frequency equal to half the 2nd overtone of another pipe open at both the ends. The length of the open pipe is#10cm#20cm#35cm#30cm#');



mock[t++] =('14#17# 28 of 50 <br><br>According to Prevosts theory of heat exchange, the heat exchange stops at .#0°C#-5°C#-273°C#-273k#');



mock[t++] =('32#14# 29 of 50 <br><br>Light enters from air into a medium of R.I 1:5. Percentage change in its wavelength is#66.66%#50%#33.33%#25%#');



mock[t++] =('10#58#30 of 50 <br><br>Time taken by the light to travel through 5cm of glass is same as that through x cm of air. If R.I of glass is 1.5. then x is#7.5cm#1.33cm#9cm#6cm#');



mock[t++] =('28#77#31 of 50 <br><br>If the amplitude of the two interfering waves are not equal. then the dark point formed in the interference pattern will have intensity.#more#less#same#zero#');



mock[t++] =('47#68# 32 of 50 <br><br>The path difference at a point on the screen in Young\'s experiment is SA.. If the distance of that point from the central bright band is 0.5mm, then the bandwidth is#2.5 mm#1 mm#0.1 m#10 mm#');



mock[t++] =('28#77#33 of 50 <br><br>Biprism experiment is conducted with a wavelength of 5000A. The distance between the virtual sources is 0.2mm and the micrometer eyepiece is at a distance of 100cm from the slits. The distance between the consecutive bright and dark band is#1.25mm#2.5mm#3.5mm#0.25mm#');



mock[t++] =('11#37#34 of 50 <br><br>Energy stored in a condenser of capacity 10mf, charged to 6KV is used to lift a mass of 10gm.The height to which the body can be raised is #180m#18m#1.8m#1800m#');



mock[t++] =('32#43# 35 of 50 <br><br>Three charges +5C, +7C and -4C are situated within a body and charges -5C,-7C and +4C are situated outside the body. The T.N.E.I over the closed surface is#-8C#0#+8C#10C#');



mock[t++] =('40#58#36 of 50 <br><br>Sensitivity of the potentiometer can be increased by#Increasing the length#Increasing the PD#Decreasing the series resistance#Increasing the current in the potentiometer#');



mock[t++] =('14#44# 37 of 50 <br><br>The magnetic field at the centre of the MCG is 0.25T. The coil has an area of 0.2m2 and has 28turns. If the sensitivity of the MCG is to be increased by 25%, the number of turns of the coil should be ------. Assume all other things remaining constant.#30#32#35#38#');



mock[t++] =('11#88# 38 of 50 <br><br>If the p.d across the inductor ( 3mH) is same as that across the condenser (30J..lF) in a series R-L¬C circuit, then the, frequency of the applied emf is #180Hz#500Hz#890Hz#5KHz#');



mock[t++] =('37#62#39 of 50 <br><br>A rod of length I is rotated about its one end, perpendicular to the magnetic, field of induction B. The emf induced in the rod is#BPro#0.5 BPro#Blro#0.5Blro#');



mock[t++] =('45#28# 40 of 50 <br><br>When temperature of a metal increases#K.E of the electrons increases#K.E of the electrons decreases#All the electrons are ejected from the atom#All the atoms are ionised#');



mock[t++] =('13#97#41 of 50 <br><br>An electron is fired through a region of crossed electric and magnetic field (0.05T). The electric field is formed between two plates separated by a distance of 2mm having a P.D of 125V. The speed of the electron is#12.5 x 106m/s#1250Km/s#125Km/s#1.25 x 107m/s#');



mock[t++] =('38#52#42 of 50 <br><br>The magnitude of the P.E of the electron in the first orbit of the Bohr\'s atom is E. Its K.E is #E#2E#E/2#E/4#');



mock[t++] =('9#87#43 of 50 <br><br>The current in the first orbit of Bohr\'s hydrogen atom is#0.01 mA#1 mA#2.63 mA#10 mA#');



mock[t++] =('17#98#44 of 50 <br><br>Rectifier is used to#convert dc to ac#amplify a weak signal#convert ac to dc#generate intermittent voltage#');



mock[t++] =('18#72# 45 of 50 <br><br>Under the action of load Fl , the length of a string is Ll and that under F2 ,  is L2. The original length of the wire is# [LlFl - L2F2]  /  [Fl +F2]# [LlF2 - L2Fl]  /  [Fl - F2]# [LlF2 - L2Fl]  /  [F2 - Fl] # [LlF2 - L2Fl]  /  [F1 + F2]#'); 



mock[t++] =('41#83# 46 of 50 <br><br>How many electrodes there in a transistor?#2#3#4#5#');



mock[t++] =('8#82#47 of 50 <br><br>Increase in temperature of a semiconductor, will bands#increase the conductivity#decrease the conductivity#not affect the conductivity#reduce the conductivity to zero#');



mock[t++] =('30#78#48 of 50 <br><br>For an ideal gas, Cv/Cp is#&lt; 1#&gt; 1#= 1#&gt;= 1#');



mock[t++] =('10#18#49 of 50 <br><br>Two planets have density in the ratio 2:3 and radii in the ratio 1 :2. The ratio of acceleration due to gravity at their surface is#1: 3#3: 1#1: 9#9: 4#');



mock[t++] =('31#52# 50 of 50 <br><br>The constant \'b\' in Van der waal\'s equation of state is approximately equal to#sum of the volume of all the molecules of the gas#four times the volume of the gas#four times the sum of the volume of all the molecules#volume of the gas#');