Which among the following types of coal produces most
heat per unit?
(a) Coal
(b) Lignite
(c) Anthracite
(d) Pit

Which among the following waves is used for
communication by artificial satellites ?
(a)Microwaves
(b)Radio waves
(c)A. M.
(d)Frequency of 101 series

What is found in frequency modulation?
(a)Fixed frequency
(b)Fixed dimension
(c)Change In frequency and dimension
(d)Change in dimension only
Q6.
When the speed of car is doubled

When the speed of car is doubled then what will be the
braking force of the car to stop it in the same distance ?
(a) four times
(b) two times
(c) half
(d) one fourth
 

If the diameter of a capillary is doubled then the rise of
water in it will be
(a) two times
(b)half
(c) four times
(d) no change

Why the needle of iron swims on Water surface when it
is kept gently ?
(a)It will remain under the water when it will displace
more water than its weight
(b)the density of needle is less than that of water
(c)due to surface tension
(d)due to its shape

The mass of a star is two times the mass of the Sun. How
it will come to an end ?
(a)Neutron Star
(b)Black hole
(c)White Dwarf
(d)Red Giant

The mass of a star is two times the mass of the Sun. How
it will come to an end ?
(a)Neutron Star
(b)Black hole
(c)White Dwarf
(d)Red Giant

Rain drops fall from great height. Which among the
following statements is true regarding it?
(a)they fall with that ultimate velocity which are
different for different droplets
(b)they fall with same ultimate velocity
(c) their velocity increases and they fall With different
velocity on the earth
(d) their velocity increases and they fall with same
velocity of the earth

Briefly describe ASP.NET AJAX Framework?

Why do we use the XMLHttpRequest object in AJAX?