If an object at a distance of 3 metres from a plane mirror. The distance between that object and its image is.......... metre.
6
3
12
9
The image formed by .......... is always virtual, erect and small.
convex lens
convex mirror and concave lens
concave mirror
plane mirror
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
5
4
10
20
40
In Telophase of mitosis cell division, two new separate cells are formed, each cell has ........... number of chromosomes of mother cell
diffrerent
more
less
Same
............The total distance that a moving object covers divided by total time taken to cover this distance.
Regular speed
Average speed
Uniform speed
Yeast fungus reproduces asexually by……
binary fission.
budding
spore.
regeneration
Concave lens diverges the light rays that falling on its surface.
True
Flase
The space which contains all the galaxies, stars, planets, moons and living organisms.
solar system
galaxy
Universe
The speed of a moving object relative to the observer is considered as.......
relative
regular
average
vector speed.
The solar system consists of the Sun and ….. planets revolve around it.
7
8
Mention the measuring unit of The mass
litre
Kilogram or gram
m/sec
meter
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
3 m/sec2
6 m/sec2
9 m/sec2
The distance moved through a unit time.
uniform acceleration
acceleration
speed
Acceleration is considered one of one of ...... .... physical quantities
spiral
scalar
vector