A train moves at a speed (100 km/h), then it cover a distance of (40 km) within time .......... hours.
0.3
0.4
0.6
0.5
Within minutes of Big Bang, hydrogen gas was formed by a percentage of ...........%
75
100
50
25
Reproduction by sporogony occurs in bread mould Fungus
True
False
A mirror, always forms a diminished image for the object.
Concave mirror
Convex mirror
Mass is considered from… … physical quantity
Scalar
standard
physical
An object is placed at a distance of (8 cm) from a concave lens has a focal length (2 cm),Mention the properties of image formed
real, erect and diminished.
real, inverted and diminished.
virtual, erect and diminished.
Calculate the actual speed of the car whose relative speed is (80 km/h) relative to an observer moving in opposite direction at a speed of (30 km/h)
30 km/h
50 km/h
80 km/h
40 km/h
If the number of chromosomes in liver cells of a certain living organism is (32) chromosomes then the number of chromosomes in ovum cell is.....
32
8
24
16
The optical piece which forms laterally inverted (reversed) image and equal to the body is .......
plane mirror
spherical mirror
concave lens
convex lens
A moving car covers a distance of (.........) through (150 min.), then its speed is 80 km/h
400 kilometer
200 kilometer
100 kilometer
In Milky Way galaxy, the old stars (the older) gather in the….. of the galaxy.
end
north
Centre
Sudden violent nuclear reactions occur within the star which led to its explosion
The focal length of a lens It is the distance between the principal Focus and the optical centre of the lens .
A train moves at a speed (30 m/sec). And when the brakes is used it moves with a decelerating (3 m/sec2). Calculate the time taken to stop the train
15 Sec
10 Sec
20 Sec
5 Sec
