Biology by Mahitha Girish
Physics Experiment by Mahitha Girish
Multiple choice questions on Diffraction, Interference, Polarization and Reflection with answers
AIM 1) To find the relative density of the given body using parallelogram law of vectors. APPARAT... more AIM 1) To find the relative density of the given body using parallelogram law of vectors. APPARATUS Gravesand's apparatus, slotted weights, given body, water, glass plates, paper,pins etc. THEORY If P and Q are the known weights and W is the weight of the unknown body, which are in equilibrium and acting as co-planar concurrent forces, then according to the Parallelogram law of vectors W = Diagonal x Scale Factor Where the diagonal vector represents the resultant of the forces P and Q Relative density of solid = Weight of solid in air Loss of Weight in water = W 1 W 1 −W 2 where W1 is the weight of the body in air and W2 is that in water OBSERVATIONS Scale Factor 1 cm = g wt Body in Trial No P g wt Q g wt OA cm OB cm Length of the Diagonal (OD) cm Mean Weight g wt Air 1 2 3 4 W1 = Water 1 2 3 4 W2 = Relative Density of the given body = W 1 W 1 −W 2 = = RESULT : Relative Density of the given body =
Aim: To find the spring constant of the given Helical Spring using Load -Extension method also to... more Aim: To find the spring constant of the given Helical Spring using Load -Extension method also to determine the mass of the given body. Apparatus: Helical spring Apparatus, weight hanger with slotted weight, unknown mass etc. Principle: According to Hooke's Law, Load is proportional to the Extension.
Aim: To find the spring constant of the given Helical Spring using Oscillation method also to det... more Aim: To find the spring constant of the given Helical Spring using Oscillation method also to determine the mass of the given body. Apparatus: Helical spring Apparatus, weight hanger with slotted weight, unknown mass etc. Principle: Time period of the oscillation of a spring is given by T =2 π √ M K Spring Constant K=4 π 2 (M T 2) where M is the mass suspended, If t is the time period for the unknown mass m, Unknown mass = (M T 2)t 2 From graph M T 2 = AB BC Observations: Sl No Mass in the Helical Spring M gm Time for 20 Oscillations Period T = Time 20 T 2 s 2 M T 2 g/s 2 1 2 Mean (s) 1 2 3 4 5 6 Unknown mass(m) g t = s t 2 = Mean M T 2 Calculations: From graph M T 2 = AB BC = g/s 2 Mean M T 2 = g/s 2 = kg/s 2 Unknown Mass = (M T 2)t 2 = = kg Spring Constant K=4 π 2 (M T 2) = = N/m Results: 1. Mass of the given body = kg 2. Spring Constant of the Helical Spring = N/m
AIM: To find the velocity of sound in air at room temperature using the resonance column by deter... more AIM: To find the velocity of sound in air at room temperature using the resonance column by determining two resonance positions. Also find the velocity of sound in air at 0 0 C and frequency of the given tuning fork.
To study the rate of cooling of a liquid. APPARATUS: Calorimeter and stirrer, thermometer, stop w... more To study the rate of cooling of a liquid. APPARATUS: Calorimeter and stirrer, thermometer, stop watch, hot water etc THEORY: According to Newton's Law of Cooling, rate of cooling of an object is directly proportional to mean temperature difference between the cooling substance and the surrounding
English by Mahitha Girish
Physics by Mahitha Girish
Multiple choice questions on Diffraction, Interference, Polarization and Reflection
Papers by Mahitha Girish
Australian Journal of Grape and Wine Research, 2010
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Biology by Mahitha Girish
Physics Experiment by Mahitha Girish
English by Mahitha Girish
Physics by Mahitha Girish
Papers by Mahitha Girish