Bihar STET Paper 2 Physics Mock Test - 9 - Bihar PGT/TGT/PRT MCQ

At the highest point in its trajectory, the acceleration (g) is acting in downward direction, whereas velocity of the projectile is only in the X (horizontal) direction.

The particle will land outside the circle because its initial velocity in horizontal direction is in the tangential direction and its point of projection is somewhere at the circumference of the circle.
Also its path will be parabolic because it is a case of projectile motion with velocity in horizontal as well as vertical direction.
 

Permanent magnets are made up of materials having high retentivity, high coercivity, and high permeability such as steel. Other suitable materials for making permanent magnets are alnico (an alloy of iron, aluminum, nickel, copper, and cobalt), cobalt steel, and ticonal. That leaves zinc as the one that cannot be used to make permanent magnets.

Springs deform permanently because of elastic fatigueness. The elasticity of the material of spring is lost and it deforms permanently. 

R=1W
X_L=1000W
X_C=1000W
Z= Z= √ (R²+(X_L-X_C)²)
  =√(1²+(1000-1000)²)
Z=1W
    I=V/Z=100/1
I=1000A
 

Unit is the reference used as the standard measurement of a physical quantity.

• The unit in which the fundamental quantities are measured are called fundamental unit.
• Units used to measure derived quantities are called derived units.

At a constant speed means, acceleration is 0. Therefore, using formula
a = g( sinθ - ucosθ)
0 = g(sinθ - u cosθ)
ucosθ = sinθ
u = sinθ/cosθ
u= tanθ
Hence D is correct.

c) The following points should be considered while making the circuit :

(i) An ammeter is made by connecting a low resistance R₂ in parallel with the galvanometer G₂.

(ii) A voltmeter is made by connecting a high resistance R₁ in series with the galvanometer G₁.

(iii) Voltmeter is connected in parallel with the test resistor R_T.

iv) Ammeter is connected in series with the test resistor RT.
(v) A variable voltage source V is connected in series with the test resistor R_T.

Given:

Let two balls A and B have mass m_A, m_B respectively, and their initial velocities are u_A and u_B. After the collision, they will move with the same velocity, v_o. 

Given that mass of both balls are same.

So  m_A = m_B = m

u_A = V,  u_B = 0

From the Concept of Momentum Conservation:

m_Au_A + m_Bu_B = (m+m)v_o

mV = 2mv_o

v_o = V/2

Both the balls after impact will move with velocity v/2.

L’=1.001L
T=2π√L/9=1s
T’=2π√L’/g=2π√1.001/g=Tx√1.001=1.0005xT
T’=1.0005s
Error in time per day=1.0005x60x60x24-1x60x60x24
Error=86443.2-86400
Error=43.2s

Frequency of fork one is 346 Hz.
When the other fork is waxed, the beat is increased.
So, the frequency of other fork is less than the frequency of fork one.
So, 
beat = frequency of fork one − frequency of second fork
4=346− Frequency of second fork
Frequency of second fork =350 Hz

Every point on a wave-front may be considered a source of secondary spherical wavelets which spread out in the forward direction at the speed of light. The new wave-front is the tangential surface to all of these secondary wavelets.

According to Huygens' principle, a plane light wave propagates though free space at the speed of light, c. The light rays associated with this wave-front propagate in straight-lines. It is also fairly straightforward to account for the laws of reflection and refraction using Huygens' principle.

Let the ball is pressed down by a small y, then the value of air decreased by Ay.  

Then, excess pressure is 

Conservative forces are capable of converting potential energy into kinetic energy. When an object is at a higher potential energy, such as a ball at the top of a hill, a conservative force, like gravity, can cause it to move downward and convert its potential energy into kinetic energy. However, conservative forces themselves do not convert energy into other forms, such as thermal energy. The conversion of mechanical energy to thermal energy is typically associated with non-conservative forces, like friction.

The Particle Model of emission and absorption is based on the idea that light is composed of discrete particles called photons, and these photons carry quantized energy. This model helps us understand how atoms and molecules interact with light by either emitting or absorbing photons during electronic transitions.

For a diamagnetic material, the value of µ_r is less than one. For any material, the value of ∈_r is always greater than 1.

KEY CONCEPT : The temperature above which a ferromagnetic substance becomes paramagnetic is called Curie’s temperature.

As the force is exponentially decreasing, so its acceleration, i.e., rate of increase of velocity will decrease with time. Thus, the graph of velocity will be an increasing curve with decreasing slope with time.

 =1.5x0.22
 =15x22x10-3
 =330x10-3
Τ=0.33J
 

When gravitational force on satellite suddenly disappears, the satellite will move with its velocity v tangent to its original orbit, due to inertia of motion.

Coefficient of viscosity (η)= Fr/Av   

 F= tangential Force, Area, r= distance between the layers, v= velocity.

Dimensional Formula of Force = M¹L¹T^-2.
Dimensional Formula of Area= M⁰L²T⁰.
Dimensional Formula of distance= M⁰L¹T⁰.
Dimensional Formula of velocity= M⁰L¹T^-1.

Putting these values in above equation we get,

[η]= [M¹L¹T^-2][M⁰L¹T⁰] / [M⁰L²T⁰] [M⁰L¹T^-1] = [M¹L^-1T^-1]

The teaching method is a way to put theory into practice.

• It generally describes the pedagogy of children, general principles, and management strategies that are to be used through the whole teaching-learning process.
• The teacher must be flexible while using teaching methods to encourage the participation of students in the teaching-learning process.​

Key Points

Synthetic method

• ​It is the reverse of the analytical method. 
• It proceeds from known to unknown or from hypothesis to conclusion.
• The facts, data, and information are combined in a single form and various operations are being performed to reach a solution.
• It is a logical method and based on deductive reasoning.
• The thinking and reasoning power of students are developed through this method.
• This method proceeds from the known to unknown and from hypothesis to conclusion.
• It promotes convergent thinking and is also known as general to specific, the rule to example, abstract to the concrete.
• It is effective in teaching mathematics, environmental studies, and social studies.

Hence, the synthetic method proceeds from known to unknown or from hypothesis to conclusion.

Additional Information

Inclusive Education:

• Inclusion in education refers to a model wherein students with special needs spend most or all of their time with non-special needs students. 
• Inclusive education means all children in the same classrooms, in the same schools. It means real learning opportunities for groups who have traditionally been excluded – not only children with disabilities but speakers of minority languages too.

Important Points

Models of inclusive education:

• Non-academic models: In this model, the students with disabilities participate only in non-academic class activities such as art, music, physical education, and other electives. This model is more appropriate for our lower functioning, alternate assessment students.
• Social mainstreaming model: This model provides the opportunity for disabled children to develop their social, emotional, and interpersonal skills. The students are encouraged to work together. They are aware of the strengths and weaknesses of each other in the classroom. Normal students become actively involved with disabled students and teachers in the group. In this model, the students with disabilities are included during regular classroom instruction to provide/her with appropriate interaction with non-disabled peers.
• Self-contained model: A self-contained classroom means that the child will be removed from the general school population for all academic subjects to work in a small controlled setting with a special- education teacher. Such classes offer structure, routine, and appropriate expectations, but some students may require a higher level of specialization.
• Pull-out (Resource) model: In this model, specialists work closely with students outside of the general education classroom. Instructional support or related services are provided in small groups or one-to-one in a separate setting.

Conclusion: 
An inclusive classroom is a term used within American pedagogy to describe a classroom in which all students, irrespective of their abilities or skills, are welcomed holistically. It is built on the notion that being in a non-segregated classroom will better prepare special-needs students for later life. There are various models used to describe the settings of the inclusive classroom.

• The non-academic model emphasizes the participation of special children only in non-academic activities such as music, art, etc. on the other hand, the social mainstreaming model emphasizes teaching special and non-special students together in the same settings.
• Self- contained model talks about training special needs students in controlled condition with a special educator while the resource model talks about teaching and training special needs students outside the general classroom.

So, from this, we can conclude that the social mainstreaming model talks about the model of inclusive education in which a student is included during regular education classroom instruction to provide the student with appropriate interaction with non-disabled peers. The student is given shortened assignment. Hence, option (2) is correct.

TFTF is correct. Teaching aid should be in accordance to the chapter to be focused on. Also a good classroom does not use maximum number of teaching aids, but optimum number of teaching aids i.e. as per the requirement of the lesson. Using teaching aids should be as per the environment and situation at the teaching place and also should not deviate mind of the student to an imaginary world, but make them more focused.

In junior section, Mrs Singh is teaching about Earth, its shape and rotation by using a globe. In such teaching, learning take place by observation. Students observe the globe to get knowledge.

Observational learning is the learning that occurs through observation of the behavior of others. It is a form of social learning which takes various forms, based on various processes.

King Charles III is the monarch depicted on the new UK banknotes, which will co-circulate with those featuring Queen Elizabeth II's portrait starting from June 5, 2024.

An imprint of railway ticket can give all information about the journey to the students.

The Silicon Valley of India is a nickname of the Indian city of Bangalore. The name signifies Bangalore as a hub for information technology companies in India. It is a reference to the original Silicon Valley of the San Francisco Bay Area, which is the major hub for information technology companies in the United States.

The logic followed is:

Similarly,

Hence, the correct answer is "15".