Frank ICSE Solutions for Class 9 Physics – Light: Reflection of LightPAGE NO: 245 Solution 1: Light may be defined as the radiant energy which produces in us the sensation of sight. Light itself is invisible but makes other objects visible.Solution 2: Ye…

Frank ICSE Solutions for Class 9 Physics – Heat: Transmission of HeatPAGE NO: 226 Solution 1: Conduction, convection and radiation are three modes of transfer of heat.Solution 2: The process of conduction involves the transmission of heat from the hot e…

Frank ICSE Solutions for Class 9 Physics – Heat: ThermometryPAGE NO: 209 Solution 1: Temperature is the quantity that tells about the thermal state of a body i.e. the degree of hotness or coldness of a body.Solution 2: Thermometer is used for measuring t…

Frank ICSE Solutions for Class 9 Physics – Heat: Thermal ExpansionPAGE NO: 202 Solution 1:Coefficient of Linear expansion is equal to the change in length of a rod of length 1m when its temperature rises by 1°c.Coefficient of superficial expansion is equ…

Frank ICSE Solutions for Class 9 Physics – HeatPAGE NO: 191 Solution 1: Heat is defined as a form of energy which flows from one point to another on account of temperature difference.Solution 2: Yes, heat is a form of energy Solution 3: Joule is the SI u…

Frank ICSE Solutions for Class 9 Physics – FluidsPAGE NO: 157 Solution 1: The thrust on the unit surface is known as pressure. The SI unit of pressure is Nm-2.Solution 2: Pressure is given by P = h Xp Xg. Where h is height of liquid column, p is density…

Frank ICSE Solutions for Class 9 Physics – Laws of MotionPAGE NO: 113 Solution 1: The property by which a body neither changes its present state of rest or of uniform motion in a straight line nor tends to change the present state is known as inertia.Sol…

Frank ICSE Solutions for Class 9 Biology – Interaction Between Biotic and Abiotic Factors in an EcosystemPAGE NO: 99Solution 1: Producers Solution 2: ConsumersSolution 3: The climatic factors affecting ecosystem are sunlight, temperature, humidity, rain…

Frank ICSE Solutions for Class 9 Biology – Understanding EcosystemsPAGE NO: 94Solution 1: Environment is the sum of all external conditions and influences that affect organisms. The environment may be divided into biotic i.e. living and abiotic i.e. non…

Frank ICSE Solutions for Class 9 Biology – Respiration in PlantsPAGE NO: 87Solution 1: Solution 2: Solution 3: Solution 4: Yes, respiration is the reverse of photosynthesis.Solution 5: – (b) nutrients are oxidized without using molecular oxygen by the…