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CTET Solved Paper MCQ - UPTET December 2016 Paper2

111 Which equation shows the reaction of photosynthesis?

6CO₂ + 12H₂O → C₆H₁₂O₆ + 6O₂ + 6H₂O
Plants synthesis glucose sugar with the help of CO₂ and H₂O molecules is presence of chloroplast and sunlight.

112 Three wire of resistance 1Ω, 2Ω, and 3Ω respectively are connected in parallel. The equivalent resistance of the circuit is

A
B
C
6Ω
D

Given resistances are R₁ = 1Ω, R₂ = 2Ω and R₃ = 3Ω
These three resistors are connected in parallel. Therefore equivalent resistance is

113 The relation between speed of sound (v) and absolute temperature (T) in a gas is

A
B
C
D

Speed of sound (v) in a gas is directly proportional to the square root of absolute temperature (T) of the gas.
i.e. v ∝ √T

114 The momentum of particle having mass m, is p. Its kinetic energy will be

Momentum of two particle of mass (m) is p = mv
Kinetic energy of the particle is

115 The potential difference across a conductor of resistivity e is constant. The heat generate in the conductor is directly proportional to

The potential difference across the conductor is v = e = constant
Let resistance of the conductor is R.
Therefore, heart generated in the conductor is time t is

∴ e, R and t are constants
H ∝ e²

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Question:

The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If ∠DAC = 320, ∠AOB = 700, Then ∠DBC is equal to

A. 24⁰
B. 86⁰
C. 38⁰
D. 32⁰

Correct answer: C

Explanation:

∠DAC = 320 and ∠AOB = 700 (given) ∠BOC + ∠AOB = 1800 [∵ Liner pair] ⇒ ∠BOC + 700 = 1800 ⇒ ∠BOC = 1800 - 700…

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