List of practice Questions

Woollen clothes keep the body warm, because wool
Two coils have a mutual inductance 0.005 H. The current changes in the first coil according to equation $I = I_0 sin \omega t, \, $ where $I_0= 10 A $ and $ \omega= 100 \pi$ rad/sec. The maximum value ofe.m.f. in the second coil is
The transfer ratio $\beta$ of a transistor is $50$. The input resistance of the transistor when used in the common-emitter configuration is $1 k\Omega$ The peak value of the collector A.C. current for an A.C. input voltage of 0.01 V peak is
The skull of frog and rabbit is:
The SI unit of the inductance, the henry can by written as
The reaction, $ {Benzene + methyl \,halide ->[Anhy.AlCl_3]Toluene,}$ is known as
The rain drops are spherical in shape due to
The product obtained when acetic acid is treated with phosphorus trichloride, is
The hormone which regulates the basal metabolism in our body is secreted from
The following is absent in frogs heart:
The exception of Mendels law of segregation is:
The electric field required to keep a water drop of mass in just to remain suspended, when charged with one electron:
The boiling point of water $\left(100^{\circ} C \right)$ becomes $100.52^{\circ} C$, if $3$ grams of a non-volatile solute is dissolved in $200 \,ml$ of water. The moleular weight of solute is (if $K _{ b }$ for water is $=0.6\, K / m$ )
The best material for the core of a transformer, is
Schottky defect in a crystal is observed when
Pollination by snail and slug is known as
Most appropriate term to describe the life cycle of Obelia is
Longitudinal strain is possible in
Light appears to travel in a straight line, because
In an endothermic reaction, the value of change in enthalpy $(\Delta H)$ is
Immediately after ovulation, the mammalian egg is covered by a membrane known as
If a person with a spring balance and a body hanging from it goes up and up in an aeroplane, then the reading of the weight of the body as indicated by the spring balance, will
Hess??law is applicable for the determination of heat of
Heat travels through vaccum by
Gravitational mass is proportional to gravitational