The solar system consists of the Sun and ….. planets revolve around it.
10
8
9
7
In Telophase of mitosis cell division, two new separate cells are formed, each cell has ........... number of chromosomes of mother cell
Same
more
less
diffrerent
A car starts to move from rest in straight line, its speed reaches 12 m/sec. after 4 sec. Calculate the acceleration of the car
9 m/sec2
6 m/sec2
3 m/sec2
Mention the measuring unit of The mass
m/sec
litre
Kilogram or gram
meter
It is the image which can't be recieved on a Screen ............
virtual image
Real image
If the radius of curvature of a concave mirror equals 20 cm. its focal length will be ........... cm
20
4
40
5
............The total distance that a moving object covers divided by total time taken to cover this distance.
Uniform speed
Regular speed
Average speed
If an object at a distance of 3 metres from a plane mirror. The distance between that object and its image is.......... metre.
12
3
6
The space which contains all the galaxies, stars, planets, moons and living organisms.
galaxy
Universe
solar system
The speed of a moving object relative to the observer is considered as.......
relative
regular
average
vector speed.
The distance moved through a unit time.
uniform acceleration
acceleration
speed
Concave lens diverges the light rays that falling on its surface.
Flase
True
The image formed by .......... is always virtual, erect and small.
plane mirror
concave mirror
convex mirror and concave lens
convex lens
Yeast fungus reproduces asexually by……
budding
regeneration
spore.
binary fission.
Acceleration is considered one of one of ...... .... physical quantities
scalar
spiral
vector