The girl in the given picture is using trolley to overcome _________.
A The force of attraction between the Earth and the girl
B The force of attraction between the Earth and the trolley
C The force of friction between the trolley and the ground
D The force of friction between the girl and the ground
Which of the following statements are correct?
(i) Safety means being careful and avoiding accidents only while walking on the road.
(ii) There are rules and signs for safety of people on the ship.
(iii) We must use footpath for walking and cyclists must keep to their left.
(iv) We must cross the road as we like anywhere and everywhere.
A (i), (ii), and (iii)
B (ii) and (iii)
C (iii) and (iv)
D (i) and (iii)
Read the given statement and select the correct option regarding X and Y.
X has fixed volume, no definite shape and does not cast a shadow whereas Y has fixed volume, definite shape and casts a shadow.
A X could be milk whereas Y could be glass.
B X could be water whereas Y could be wood.
C X could be mustard oil whereas Y could be iron sheet.
D X could be wood whereas Y could be water.
X is connected to all the other parts of the body through the Y which contains thin,
thread-like tubes that run all around the body called Z.
Select the option which correctly identifies X, Y and Z.
Which of the following is correct regarding the characteristics of oxygen?
|Definite shape||Definite volume||Compressible|
An object is placed at a distance of 45 cm from a
converging lens of focal length 30 cm. A convex mirror
of radius of curvature 40 cm is to be placed on the
other side of lens so that the object coincides with its
image. Find the position of the mirror from the lens.
A 50 cm
B 60 cm
C 90 cm
D 30 cm
Sonal wanted to study the effect of various factors on the rate of evaporation. For this, she carried out the experiment under four different sets of conditions as shown in the table.
Which two sets should she use to compare the effect of temperature on the rate of evaporation?
ASet P and Set S
BSet Q and Set S
CSet Q and Set R
DSet P and Set R
Can someone please explain how to do this?
Read the given passage and fill the blanks with correct option.
1 is also called black gold. It is formed from the remains of dead organisms in the sea. It cannot be used in its natural state and is refined and turned into 2, 3, 4, etc.
Which statement best describes the energy changes that occur while a child is riding on a sled down a
steep, snow-covered hill?
A Kinetic energy decreases and potential energy increases.
B Kinetic energy increases and potential energy decreases.
C Both potential energy and kinetic energy decrease.
D Both potential energy and kinetic energy increase.