Font size
WorksheetsClass 7
Total questions: 25
Worksheet time: 18mins
Due to which property , the word in the given picture is written as such
Upright
Upside inversion
Lateral inversion
None of the above
Two clocks A and B are shown in Figure 13.1. Clock A has an hour and a minute hand, whereas clock B has an hour hand, minute hand as well as a second hand. Which of the following statement is correct for these clocks?
(a) A time interval of 30 seconds can be measured by clock A.
(b) A time interval of 30 seconds cannot be measured by clock B.
(c) Time interval of 5 minutes can be measured by both A and B.
(d) Time interval of 4 minutes 10 seconds can be measured by clock A
If we denote speed by S, distance by D and time by T, the relationship between these quantities is
(a) S = D × T
(b) T = S / D
(c) S = D* 1/T
d) S = T / D
Observe Figure 13.3.
The time period of a simple pendulum is the time taken by it to travel from
(a) A to B and back to A.
(b) O to A, A to B and B to A.
(c) B to A, A to B and B to O.
(d) A to B.
A bus travels 600m in 10 min The speed of the bus is
0.6 m/s
1 m/s
5.4 m/s
3.6 m/
A body is said to be in state of rest if it
Moves very slowly with time
Does not change its position with time
Moves with equal speed to other moving body
Change its position with time
Speedometer measures speed in
Km/h
m/sec
M/h
Km)min
Which of the following does not represent a time-interval?
A day
A minute
A second
Time of sunrise
Change in position of a body with time is called
Speed
Distance
Motion
Displacement
Identify the spectrum
VIBGOYR
VIGBYRO
VIBGYOR
ROYGBIV
the image formed by a plane mirror is always upright?
True
False
In the formation of a rainbow, (a) acts as tiny prisms
(a) mirrors are used as side mirrors in scooters?
Which phenomenon is involved in formation of image in plane mirrors
Dispersion
Refraction
Reflection
Splitting
(a) is used to demonstrate that when seven colours are mixed together, then a white colour is formed.
characteristics of image formed by a plane mirror.
Smaller than the object
Same distance from the mirror as of the object
Real and erect
Lateral inverted
After the actual intersection of rays, the image obtained on the screen is always (a) image.
Which of the following always diverge light rays?
Convex mirror and plane mirror
Concave lens and convex mirror
Concave mirror and convex lens
Concave lens and convex mirror
A prism splits light into ………………….. colours.
(a)
Identify the lens
(a)
Which mirror is used in the given picture
(a)
If an object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be
2 m
0.5m
1 m
10m
The inner surface of a steel spoon acts as a ___________ mirror.
Convex mirror
Concave mirror
Plane mirror
All of the above
Identify the type of motion
At rest
Uniform motion
Non uniform motion
None of the above
If a car is moving with a speed of 5Km/h on highway then find the distance travelled by the car in 4 hours?
20 m
200 m
20Km
2Km
