Which of the following is the exclusive property of a transverse wave?
See more
1995
A well-lagged bar of length 100cm has its ends maintained at 100oC and 40oC respectively. What is the temperature at a point 60cm from the hotter end?
See more
1995
Which of the following statements give the TRUE difference between evaporation and boiling? i. Evaporation occurs at all temperatures while boiling occurs at a fixed temperature for a given pressure. ii. Evaporation is a…
See more
1995
Which of the following pairs of colours gives the widest separation in the spectrum of white light?
See more
1995
A real object is placed at a distance ucm in front of a curved mirror of focal length fcm. If the image is upright and magnified, then the mirror is
See more
1995
What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42?
See more
1995
Total eclipse of the sun occurs when the
See more
1995
The pitch of an acoustic device can be increased by
See more
1995
The purpose of a dielectric material in a parallel plate capacitor is to
See more
1995
A 12V battery has an internal resistance of 0.5W.If a cable of 1.0W resistance is connected across the two terminals of the battery, the current drawn from the battery is
See more
1995
If a resistance is halved in value and the potential difference across it is tripled, then the ratio of the new current to the old one is
See more
1995
At different locations on the earth's surface, the earth's magnetic field is
See more
1995
Two parallel plates at a distance of 8.0 x 10-3m apart are maintained at a p.d of 600 volts with the negative plate earthed. What is the electric field strength?
See more
1995
A light of energy 5eV falls on a metal and the electrons with a maximum kinetic energy of 2eV are ejected. The work function of the metal is
See more
1995
The primary winding of a transformer has 400 turns and its secondary has 100 turns. If a source of e.m.f. of 12V is applied to the primary, the secondary e.m.f. will be
See more
1995
Which of the following is required to convert a milliammeter to an ammeter?
See more
1995
If the maximum voltage across a 100ohms resistor is 20V, then the maximum power it can dissipate is
See more
1995
An electric current of 2 amperes flows in a heating coil of resistance 50 ohms for 3 minutes 20 seconds. Determine the heat produced
See more
1995
An alternating source is connected in series to a capacitor of capacity reactance \( 10^3 \sqrt{3} \) and a resistor of resistance 103 Ohms. The Impedance of the circuit is...
See more
1995
The half-life of a radio-active element is 9 days, what fraction of atoms has decayed in 36 days?