An observer in a moving car with 80 km/h was observing a moving car with 90 km/h in the same direction so, the observed speed of the 2nd car is
10 km/h
80 km/h
90 km/h
170 km/h
Condensing the cytoplasm in the two poles of the plant cells forms spindle fibers
True
False
Groups of stars gathered in distinctive shape.
solar system
Galaxy
milk way
The solar system lies on one of the spiral arms of Milky way galaxy
Acceleration is from the ............. quantities
scalar
vector physical
From the scalar physical quantities is.....
Acceleration
velocity
time
Amoeba reproduces by budding
............ the ability of some animals to compensate their missing parts.
Fertilization
binary Fission
Regeneration
Crossing over phenomenon happens between the . inner chromatides of the tetrad during the meiosis division.
...............Seeing the far objects clearly but the close objects are not clearly.
short - sightedness
Long-sightedness
The scientist who published a research including his vision about the Nebular assumption
Molten
Laplace
Chamberlin
Fred Hoyle
The formed image of an object that is put at the centre of curvature for a convex lens is virtual enlarged
An object was put at 10 cm from a concave mirror, a real, inverted and equal image was formed, if the object moved 3 cm towards the mirror, so the formed image will be…….
real, inverted and diminished
virtual diminished
virtual enlarged
real, inverted and enlarged
The radius of curvature of a mirror is the radius of the sphere that the mirror part of it.
When a moving object covers equal distances in unequal intervals of time, so it moves by…..
irregular speed
relative speed
uniforms speed
average speed