List of practice Questions

The incorrect statement for saturation current in a photoelectric cell is
The increase in boiling point of a solution containing 0.6 g urea in 200 gram water is 0.50$^\circ$C.Find the molal elevation constant
The ideal gas equation connecting pressure (P), volume (V) and absolute temperature (T) is where $k_B$ is the Boltzmann constant and N is the number of molecules.
The ignition mixture in Alumino-thermite process contains a mixture of
The image of an object formed on the retina of the eye is
The impact of loss of biodiversity include
The important ores of tin and lead are
The hybrid state of Br in $BrF_5$ is
The hybrid state of C atom in $C_2H_2$ is same as that of carbon in
The hybridisation of sulphur in $SO_2$ is
The hysteresis cycle for the material of a permanent magnet is
The greatest and least resultant of two forces acting at a point are 29 Kg wt. and 5, Kg wt. respectively. If each force is increased by 3 Kg w t the magnitude of the resultant of hew forces acting at right angles to each other is.
The half life of a radioactive substance is $30$ days. What is the time taken to disintegrate to $3/4^{th}$ of its original mass?
The graph for photoelectric effect, which is a straight line will be between
The functional unit of mitochondria is
The general molecular formula of aldehydes and ketones is :
The given figure represents head region of cockroach. In which one of the options all the four parts $A, B, C$, and $D$ are labelled correctly?
The force per unit charge is known as
The frequency of a particle executing simple harmonic motion is 10 hertz. The frequency of variation of its kinetic energy is
The female external genitalia include (i) ovary (ii) mammary gland (iii) mons pubis (iv) clitoris (v) labia majora
The female sex organ in Riccia and Funaria is
The figure given below shows the head region of cockroach. Identify A to F.
The figure given below shows three stages in the cardiac cycle.
Which of the following sequences is correct regarding this?
The expression "Gynoecium is apocarpous" implies that the
The external and internal radius of a hollow cylinder are measured to be $(4.23 \,\pm \,0.01)\, cm$ and $(3.89 \,\pm \, 0.01) \,cm$, respectively. The thickness of the wall of the cylinder is